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2.4 3 5.26 8.225m 4523.3 8 0 36.63 3.26 46.7 4670-46.7=4523.3. _ 0. 3 422222 (_3) (_3) (_3) 422222. 4 5 _3 5 =5 _3 4 = _3+ _3+5=, _3=6 =2 ++=2++5=8 2.5 4 =2.5_4-7_.2=0-8.4=.6, 7.2 0.3 7.3 =0.3_7.3-.5_0.5.5 0.5 =2.9-0.75=.44 6.63 0.8.6=.44. 6.63_0.8-._=.44.6, 3.304-._=2.304,._= =0 0.02=0._0.2, 0.06=0.2_0.3, 0.2=0.3_0.4, 0.2=0.4_0.5, y 5.5_.6=2.4 3, 9, 7,, 3, 9, 7,, y 3, 9, 7, 77 4=9y.3 77 77 3, 9, 7, 3 (5.7+3.2)_.5=8.9_.5=3.35 (.76+2.04)_2.5=3.8_2.5=8.7 =(+)_ =(2.4+4.2)_0.8=5.26 0.8m 0.8_0.5_3_3=3.6(m) 0.4_0.5_3_3_3=5.4(m) 0.2_0.5_3_3_3_3=8.(m) 0._0.5_3_3_3_3_3 =2.5(m) 0.05_0.5_3_3_3_3_3_3 =8.225(m) 37, 366.3 36.63 93.6cm 638.4m 45cm 55.42km

4.4-.6=2.8(cm) 5 4.4+2.8_4=4.4+79.2=93.6(cm) 450 450 2=225() 224 2.85m 224 2.85_224=638.4(m) 40 cm 0.75 =40_0.75=30(cm), =30_0.75=22.5(cm) ( ) =40+_2+_2 =40+30_2+22.5_2 =40+60+45=45(cm) A 00.5km B 84.2km 00.5-84.2=6.3(km) 3 24=3.4 A B 6.3_3.4=55.42(km) ( )=6.8_6.8_0.5 =23.2(cm ) ( )=0.2_6.8_0.5 =34.68(cm ) ( )=3.4_6.8_0.5=.56(cm ) ( )=3.4_0.2_0.5=7.34(cm ) ( )=3.4_3.4=.56(cm ) ( ) =23.2+34.68+.56+7.34+.56 =98.26(cm ) cm, cm _6=_7 _24=_28 _8+_9=220 _24+_27=660 _28+_27=660, _55=660, =660 55=2 _6=_7=84 =84 6=4 4_2=68(cm ) ( ) =( )-( ) =32_40.25_0.5-276 =644-276=368(cm ) ( )=368_2 32=23(cm) ( )=276_2 23=24(cm), ( )=40.25-23=7.25(cm) ( )=7.25_24_0.5 =207(cm ) 5.04cm 68cm 98.26cm 207cm ( ) =( )+( ) +( ) =(.2_.2)+(.2_2.4_0.5) +(3.6_.2_0.5) =.44+.44+2.6=5.04(cm ) 55.55 39.6kg 9km 0.0025m 0.808 4032cm 29.95cm.6 4 3.6 4.32L 0.7L 245cm 26 33

..0+2.02+3.03+4.04+5.05+6.06+7.07 +8.08+9.09+0. =(.0+0.)+(2.02+9.09) +(3.03+8.08)+(4.04+7.07) +(5.05+6.06) =.+.+.+.+. =._5=55.55 kg 2.7kg ( )=+2.7, 2.4kg ( )=-2.4 39.7kg 39.7_3=9.(kg) ++2.7+-2.4=9., _3+0.3=9., _3=8.8, =39.6 (A )=.5_9_0.5=6.75(km) (B )=.5_2_0.5=5.75(km) (A, B )=5.75-6.75 =9(km) 0.2m y (m) 0.2 ; 0; ; 5; y ;4 0; 6 cm, cm (_4)cm, (_7)cm =_.75 _4=_.75_4=_7 336 4=84(cm) 84 4=2(cm), 84 7=2(cm) 2_2_6=4032(cm ) ( )=8_6-.5_5 =48-7.5=40.5(cm) ( )=5.3_8-.5_7 =42.4-0.5=3.9(cm) ( )=40.5_3.9 =29.95(cm ), =_ (0.6253)(3)= (0.625_0.625_0.625)_( )= 0.625=;8%; ;8%;_;8%;_;8%;_( )= =;5*;=.6 ;4 0;_;4 0;_;2!;=;32 00;(m ) 8 ; 32 00;_X8=0.0025(m ) 400 0 4.52_2.8+=4.52_2.84 =0.808 ( )=_.2-0 ( )=_0.8+2 +_.2-0+_0.8+2=37 _(+.2+0.8)+2=37, _3=35, =45 ( )=45, ( )=45_.2-0=44(), ( )=45_0.8+2=48() 48-44=4()

6_ 6.2 4 = + 3 _.5 4 +=3 3 2 0 =2 6 2 4 4 6_ 9.3 6, 6_ 6 6_ 40 2_ 0 6_, 2_ =5_5 0 =2 4, 6, 8 _5 6 =4._.=2.4_.5=3.6 _(-0.45)_0.4=_0.22=66 =300 300_(0.55-0.22)=300_0.33=99() 300_0.5=50() 50-66=84(), 50-99=5() 84-5=33() 0.5_0.5=0.25(m ) 27 0.25_27=6.75(m ) m 3200 5=640(mL), 0.64L 0.64_6.75=4.32(L) 4 5=4;6!0%;=4.25 A, B 4 5 (.4+0.8)_4.25=9.35(L) 5.33 5 40cm 455.84m 2 8 60 87.5cm 74.7m 5 24=5;6@0$;=5.4 5 24B C (2.4-0.8)_5.4=8.64(L) 9.35-8.64=0.7(L) 8.75cm 37 2 36 ( ) =8.75_4_37-(8.75_0.5)_4_36 =4795-2380=245(cm) 20_0.25+=0, 5+=0 =5 36 _0.25=, 36 =4 =9,, 26 26 9+5-3=24+5-3=26 5.3<( 6 )<5.4 ( 6 )=( 6 )_6 (5.3_6)<( 6 )<(5.4_6) 9.8<( 6 )<92.4 6 92 92 6=5.333y 5.33 23 6_ ; 6;, ; 6;, ; 6;, y, ;!6$;, ;!6%; =23-6_ ; 6;, ; 6;, ; 6;, y, ;!6$;, ;!6%;22, 2, 20, y, 09, 08 5

( ) =(50+20)_0.8=56(cm) ( ) =(56+30)_0.8=68.8(cm) ( ) =(68.8-)_0.8=23.04(cm) 2304 (68.8-)_; 0;= 223 00 288 68.8-= 22, 0 =68.8-28.8=40(cm) 540m 27 540 27=20(m) 24.8m 24.8-20=4.8(m) 24.8+4.8=29.6(m) 5 24=5;6@0$;=5.4 29.6_5.4=455.84(m) =5. =4 =2 _ =0. =5 8 4222232 4 =3 =3 =6 =2 7 = =0 4222232 3. = =4 =3 =6._ =0 7+4= +=3, =2 _ =0 =5 _8=2_8=6 =6 _5 2 =4 _8=4_8=32 =3 += 3+=4 = ++++++ =5+4+2+0+6+3+=2 8 2.48km=2480m, 2.52km=2520m ( ) =(2520-2480) 8=5(m) ( ) =2480_5+5_5_4 =2400+00=2500(m ).25ha ( ) =.25_43.5=79.375(t) 0t 8 0.02, 0.05, 0.07, 0.0, 0.2, 0.5, 0.7, 0.20, y, 0.97,.00 40 0 80 2, 5, 7, 0 0 0, 5 0, 2 0, 2_5=0 0 20 80-20=60() 60 3 2.5cm 0 cm 2.5 cm 0 cm 2.5 cm 3+2_4+3=4() 2.5_2.5_4=6.25_4=87.5(cm ) ( )_4=( )_5 ( )=0.6m=60cm ( )=60_4 5=48(cm) 60_6=360(cm) 48_5=240(cm) 6 360+240=600(cm) 2450 600=20.75 3.6_20.75=74.7(m) y

7 2 2, 2, 3, 4, 6, 2 7 4, 2, ;5#; ;2@5)5*; ; 2;=; 2;+; 2;+; 2;=;3!;+;6!;+; 2; 3;3!; ;3@; =3, =6, =2 =2 6 3=2 3=;3@; =_ 3 =;7$; =_ 3 =2;5$; =_ 3 =_ 3 3 2 =;7$;_2;5$;=; 7$;_; ; 5 ;; =;5*;=;5#; 80cm ;2!;cm 2;2!;cm 20;7$;cm ( )=3;4#;_7; ; 9 <5, 8, 3>=;3%;_8+;5*; 3 5 2 ( )=; Y : 4 :_; Z ; ª:_; 9!; Y <5, 8, 3>=;3%;_8+;5*;_;3!; <5, 8, 3>=3;!5#; <4, 2, 3>=;3$;_2+: 4 : 3 X4 4 <4, 2, 3>=; 3$;_Y2+; ; 4 ;;_; 3!; <4, 2, 3>=6+=7 <5, 8, 3> <4, 2, 3> =3;!5#; 7=: º5 :_; 7;=;2@5)5*; ( )=: ;4); :=26;4!;(cm) ( )=(26;4!;+3;4#;)_2 ( )=40_2 ( )=80(cm) ( ) 9 =3;2!; 6=; : 2 :_; 6!;=;4(;(cm ) 2 =_8 _2=_8_3, =_2 (+) 6 =(_2+_8) 6 =_20_ 3 _;6!; 0 =Y20_; 6!;=;; 3º;;=3;3!; 3 ;4(;=;2#;_;2#; ;2#;=;2!;(cm) 25 68;4#; =; : ;4&; :_;Á ;=: 4 :(cm Z ) 7 2=; 2; 2 : 4 :=;2%;_;2%; ;2%;=2;2!;(cm)

;3!; ( ) 44 =6;7%; 3=; : ;7#:@;_; 3!;=: ;7$:$;=20;7$;(cm Z ) 80m 2 (80+35) 50=Z35_; 5!0;=2; 0;(), 2 6 0 ; 5;+; 5;=; 5;() ;4!5#; 28;7%;km 2 6 ( ) 5 =3;7$; 5=; Y : 7 :_; 5!;=;7%;(km) ( ) 6 =9;5#; 8=; Y : 5 :_; 8!;=;5^;(km) 3 (;7%;+;5^;)_5=;Á3^5&;_Y5=: ;7):!;=28;7%;(km) 7 5;!9%; 6 8 40 ;4!5#; 3_5=;Á4!5#;_;3!;_Y5=: 9 :=;9$;() 3 8 ;9$; ; 9$;_Y24=: 3 :=0;3@;(), 3 20 ;3@; ; 3@;_Y60=40() 0 40 9 6 8 40 73;2!;L 2 0 7 2 36;3@;km 0 36;3@; 0=; Z : ;3!:);_;Á 0;=: 3 :=3;3@;(km), 5-3;3@;=;3!;(km) 5+;3!;=36;3@;, : 3ª:=: ;3!;º:, ( ) = 7 8=_;7!;_;8!;=;5 6; ( ) 2 7 =6;ª6; 5_56=;;Ω; Áº6 :_; 5!;_Y56=: ;2$; : =73;2!;(L) 2 =: 9º:=5;!9%; 2;5$;=: 5 : 285+35=420(m) 30 420 4_5=Z420_;Á 4;_5=50(m) 2 ;3!; ;6!; 5 5=_; 5;=; 5;

;6!;-; 5;=; 0; 0 2 2 2 2 2 2 =_;2!;_;2!;_;2!;_;2!;_;2!;_;2!;=;6 4; 6 2 A, B (;6!; 3)+(;3!; 4)=;6!;_;3!;+;3!;_;4!; 3 9 ( )=5 3=4;8#; 7 ( )=4;8#;_3 5=; ; 8 ;;_3_; 5!;=;; 8 ;;=2;8%; ( ) 7=2;8%; 7 3 ( ) 7=; ; 8 ;;_; 7!;=;8#; =; 8;+; 2;=;3 6;+;3 6;=;3 6; ;3 6;_7+;3 6;= ;3 6; 2 ;5!;=(; 5!;_Y60)=2 A, B 7 2 ; 2; ; 2; 7=;8 4;() 9 5 0 6 2 2 ;Á8 4;_Y2=;4%;=;4!;() 4 0 6 2 ;4!;(= 5) 2 5 36 9 ;8#; 2 5 6; 3;cm 4; 6;L 560 22;3@;cm ;7!2#; 2;2!7^; 5;8&;cm 6 79 24; 3; 6=;Ω: 3 :_;Á 6;=;5&2(;(cm ) 28 49;8&;cm 2 6 40 4 2 4 ;Á5&2(;_X4=6; 3;(cm ) 3 ; 5; 3 6 ( ) 55 =20;8%; 3=;Ω;;!8^; ;;_; 3!;=: 8 :=6;8&;(L) ( ) 25;5#; 6=;5*;=;5#;(), 36 =(6;8&;+;4!;) 2=8;8!; 2=4; 6;(L) 2;5#; =: 5 :_ 3 3 3 ;4!;+0.3+;8#;=;4#0&; 42

42 -;4#0&;=;4 0; 4 42 3_40=Y42_; 3!;_40=560() ; 3;+; 3;-=; 3; 7 7;7@; 3_8=; : 7 :_; 3!;_8=: ;7#:^;=9;7#;(cm) 68 9;7#; 6_7=;Ω: ; 7#:^;_; 6!;_X7=;; 3 ;;=22;3@;(cm) 3 2, 3 ;2!; 6, 9 ;2!;_3=;2#;=;2!; 6, 5 ;9&; 9-5=4() ;2!;-;9&;=;ª8;-;!8$;=;!8#; ;!8#; 4=;!8#;_;4!;=;7!2#; 5, 5 2 25 ; 2!;_; 2!;_; 5@;_X4=;5@; 5 Y25_; 5@;=0() 47 58;4#; 0=;Ω;;@4#; ;;_;Á 0;=;; 8 ;;=5;8&;(cm ) 2 9km 6km (+6) 6_(+6)=9_, 6_+96=9_, 3_=96, =32 9km 2 2 32 28,, ( )=( ) 4 37 7 Z Y28 3;8&;_9;3!; 4+7;2!;= 23 _ 2_; 4!;+7;2!; 8 X3 =: ;8%;ª:+7;2!;=32;8#;+7;8$;=49;8&;(cm ) ;5@; 7_3=;5@;_;7!;_3=;3 5;, 3 ;4!; 7_6=; 4!;_;7!;_X6=; 4; 2 ;3 5;+; 4;=;7!0@;+;7!0%;=;7@0&; ;2&7);=2;2!7^;() 5 4 ;4#; ;4#; (5_4)=; 4#;_;Á6 0;=;8 0; 20, 80 ;2!; 2=;2!;_;2!;=;4!; 4 0 80 0=8() 8 8 4=2()

A ;5$; 20=; 5$;_;Á2 0;=;2 5; B (-;8%;) 5=; 8#;_;Á 5;=;4 0; 5 ;2 5;-;4 0;=;20*0;-;20%0;=;20#0; : ;3):);=66;3@;() 6 40, 2, 4, 8, 6, y 2,, 2 3 3 4 6 4 5 0 0 5 6 5 20 5 6 7 2 35 35 2 7 8, 3 6+5 =; 2 8; 2_2_2_2_2_2_2 7 ; 2 8; 3=;; 2 8;_; 3!;=;2&8; 3 ;2&8; y 5 ;2&8; 60;6!;cm 588; 7;m ;8&;cm 9;5#;L ; 0 0;km 7;2!3(; ;4!;cm 6 8 8 2 8-2-2-=3 9 9 2;3@;_2;3@; 8_3=; : 3 :_; : 3 :_; 8!;_X3 X4 2 2;3@;_2;3@; 8_3=: ;6^:!;=60;6!;(cm ) 7 30(=450) 5000-500=4500(m) m 450 4500=; 0;(), 500 ;Á 0;_Z5000=500() 505000m 500 5000 50=Z5000_; 5!0;=: 5ºº:(m) 5 20 0000 : 5ºº:_(50-450)=;; Á5ºº:_Y60= 23 7 7 =588; 7;(m) 9, 6 6-9=7 3;8!;cm 5 3;8!; 7=;Ω; ;8); :_; 7!;=: 8 :=;8&;(cm ) ;7$;, ;4#;, ;5@; ;2!@;, ;!6@;, ;3!0@; 2,,

2, 6, 30 ( ) 2+6+30=67 =( ) 2_3 40;5!;L =;2%;_;2!;_3=: 4 :(cm ) ( ) ( ) =40;5!; 67_6=: ;5); : 67_6 3 =;;Ω; ;5); :_;Á6 7;_6=: 5 :=9;5#;(L) =( ) 3 5 =; : 4 :_; 3!;=;4%;=;4!;(cm ) ;5#0!;_(60+5)=46;2!;(km) B 7 2 6=Y2_; 6!;=;2&;=3;2!;(L), 46;2!;-5;4#;-5;4#;=5(km) 5;4#;+5;4#;+(5;4#;-5) 2 A, B (63;2!;-2) 5=8;2!;(L) A 8;2!;-3;2!;=5(L) =3;4@;+;4#;=32;4!;(km) 5(=75) 43 A 90-63;2!;=26;2!;(L) 26;2!; 5=: 2 :_;5!;=5; 0;() 32;4!; 75=;Ω: ;4@;ª:_;Á7 5;=; 0 0;(km) 25 +5 8=6 8, ++=;8!;, ++=; 2;, ++=;2 0;, ++=; 6; ++++++++++ ++++=;8!;+; 2;+;2 0;+; 6;+; 6;, (++++)_3=;6@0#;, ++++=;6@0#; 3=;6@0#;_;3!;=; 8 0; ; 8 0; 7;2!3(; ( ) =( ) 2_3 =;3@; 2_3=; 3%;_;2!;_X3=;2%;(cm )

, 6 3 9cm, 20cm, 20cm 26, 77, 77 ( )=( ), ( )=( ), ( )=( )=90 4, 2 3 3 3, 4 2 5 2, 6 7 4+3+3+2+2++=6(),,, 3 42cm 90 0cm 30 8 cm 8 cm 7 cm 6 cm 7 cm ( ) ={( )+( )+( )}_2 =(7+8+6)_2=42(cm) ( )=( ), ( )=( )=90, ( )=( ) ( )=( ) ( )=( )+( ) =( )+( )=90 24cm ( )=24_2 8=6(cm) ( )=( )=8cm 48cm ( )=48 2-8=6(cm) ( )=( )=6cm, ( )=( ) ( )=( )-( ) =6-6=0(cm) 75 30 30 ()=(), ()=(), ( )=( ) =80-75 -75 =30 ( )=30 +( )=( ) ( )=( ) ( )=30

45cm 05cm 20cm 44cm 70cm 44cm 2cm 20cm ( ) =( )-( ) =( )-( ) =( )=5_6 2=45(cm ) ( )=( ), ( )=( ) ( )=6_ 2=33(cm ) ( ) =( )_2-( ) =69_2-33=38-33=05(cm ), 6 cm ( ) =( ) 2-( ) =36_2 2-6_2 2 =26-96=20(cm ) ()=( ), ( )=( ), ( )=( ) 24cm ( )=24_2 2=4(cm), ( )=( )=4cm ( )=( )=2cm ( )=(2_8 2)_3 =44(cm ), ( )=( )=( ), ( )=30, ( )=60,,, ( )=35 2_4=70(cm ) 9 cm 6 cm ( )=( ) ( ) =( ) =6_9=44(cm ) 80 _4 6=20 6 ()=()=(), ( )=20 2=60, ( )=30,, ( )=( ) ;6!; ( )=72 6=2(cm )

( ) =( )_;5!; =0_0_;5!;=20(cm ) cm 8_ 2+2_ 2=50, 5_=50, =0 (9, 9, 2), (9, 8, 3), (9, 7, 4), (9, 6, 5), (8, 8, 4), (8, 7, 5), (8, 6, 6), (7, 7, 6) 8 ( )=( ) 0cm 8 225cm 3 65 85 60 432cm 50cm 250cm 08 5 3cm ( )=( ), ( )=( ) ( )=60 +( )=( ) 64 4 64 4=6() 60 60 5 cm 5cm ( )=( ) =5_5=225(cm ), ( )=( ) =7 02 7 7 7 ( )=80-7 -7 =38 ( )=80-02 -38 =40 ( )=80-7 -7 =38 ( )=(80-38) 2=7 ( )=( )-( ) =7-40 =3 ( )=( ) ( )=8-6=2(cm) ( )=( )=50cm ( )=( ), ( )=( ), ( )=( ) ( )=( ) 60 60 60

( )=(90-60 ) 2=5 ( )=360 -(60 +60 +60 +5 )=65 ( )=( ), ( )=( ), ( )=( ) 60 ( )=60 ( )=80-60=20 ( )+( )=60, ( )-( )=0 ( )=(60 +0 ) 2=35 ( )=( ) =80-35 -60 =85 ( )=( )=( )=60 ( )=( )=( ) ( )=( )=( ),, ( )=( )=( ) ( )=60 ;4!; 6 ( )=24_Y24_; 4#;=432(cm ) ( )=( ), ( )=( ), ( )=( ) 2 cm 0 cm ;2!; ( )=0_0 2=50(cm ),,, 3 4 4 ;2#; 4+;2#;_4=0() 2 5 X4 ( )=25_Y25_ 2=250(cm ) Y0 X2 ( )=( ), ( )=( ) ( )=( ) 80 _3 5=08 ()+()=80-08 =72 ( )=80-72 =08,,,, 5, 6 cm 7 cm

( ) =( )+( ) =( )+( ) =6+7=3(cm) 234cm 25 22 45 3cm 6cm 45cm 30cm 35, 3 3+2+=6(), 3 3+2+=6(),,,,,,,,, 0 6+6+0=22() 2 cm8 cm 8 cm 2 cm ( ) =( )-( ) -( ) ={8_(8+2) 2+2_(8+2) 2} -2_8 2_2 =234(cm ) 45 ;2!;=;2#;(), 90 ( )=( ) ( )=90 ( )=(80-90 ) 2=45, ( )+( )=90-45 =45 ( )=( ) ( )=90 ( )=( ) 45 80 55 ( )=( )+( ) =90-45 -( )+( )=45,,( )=( ) ( )=( )=( )=55, ( )=( )=80 -(45 +55 ) =80 ( )-( )=80-55 =25 5cm, 2cm 90 2 5 cm 5 cm 7 cm 5 cm 2 cm 2_2+5_5=69(cm ) 69=3_3 3cm 3cm

( )=( ) ( )=( ) ( )=( ), ( )=( ) ( )=45, ( )=90 ( )=( )=80-90 -45 =45 ( )=( )=6cm, ( )=6+6-24=8(cm) 8 cm 8 cm 2 ( )=(8_8 2) 2 =6(cm ) 5 ( )=Y45_; 3@;=30(cm) ( )=( )=30cm 3,,, ( )+( )=90 ( )=90 ( )=( ) 5cm 4 ( )=( )=45 ( )=45+90=35 5 5 cm ( )=5_5=225(cm ) 225 5=45(cm ) ( )+( ) 45 cm 75 75 +( ) 30 =30 +75 +75 =80,, 2 3 ( )=( )_;3@;

2.25 234.8 0.4 4.5 52.4cm 8km 250m 3 3 2 2.5m 5.08m=508cm 42.5cm (508-68.45_2-42.5_5) 4 =(508-36.9-637.5) 4 =733.6 4 =52.4(cm) 9880 0.5L 9880 760=3() 0.5_3=6.5(L) 200km6L L 200 6=2.5(km) 6.5L 2.5_6.5=8.25(km), 8km 250m 9-4= =9-4=5, _=4 =8 8_8=64 =6 _= 8_=56 =56 8=7 (++) =(6+5+7) 8=2.25 8.7 8< 6 9.6 64 524 56 56 524 0 _0 0_-=9_ 9_=2.32 =2.32 9=23.48 _0 23.48_0=234.8 0.8 0. 0.9 24=.4 ( ) =(4+5.2)_.4 =9.2_.4=2.88(km) 2.88 4=3.22() 0.22=(0.22_60)=3.2 0.2=(0.2_60)=2 3 3 2 5=75 86m 0.45=27 640m 75-27=48() 86-640=76(m) ( ) =76 48=24.5(m) 27_24.5-640=66.5-640=2.5(m) 0. 0.9 3 0.+0.2+y+0.8+0.9=4.5 4.5 3=.5 =.5-0.8-0.=0.6, =.5-0.-0.9=0.5 =.5--=.5-0.6-0.5=0.4 4 4..4_3 6 _3=6-, =5 3=5 4.5 3.28 2 9.5 20000

( )=3.52_32.5+0.45=4.85 4.85 35=3.284y _=25.8 3_25=25(cm ) 3.28 9 44=0.438888y, 8 77, 78 8 78 77 2 2=0.5, 0.5 4_3=0.375 0.375 3=0.25 8.5_7=59.5 9.5_7=66.5 8.25_8=66 8.35_8=66.8 66.4 66.4 7=9.485y 9.5 567 22=25.7727y 25 22kg 8400 25 8400_25=20000() 24, 2 40.4 24=5.85(cm ) 5.85_2=70.2(cm ) 5.66cm 0.25 25cm 70.2cm 600 3.2cm 5km 5.94km 8 24 7.568cm 3.9 8.6cm 3 6 94.3cm 6 2.72cm 24.5 2.952 ( )=23 5=8.2(cm) ( )=6.3_8.2=5.66(cm ) cm, cm _;5$; ;5@;-_=25.8, ;2@5*;-_=25.8, ;2 5;=25.8 5;3!7*;=5+8 37 5;3!7*;=5+0.486486486y 5;3!7*;=5.486486486y 4, 8, 6 99 3=33 99 4, 8, 6 33 5++(4+8+6)_33=6+594=600 7 40.32 7=5.76(cm ) 5.76=2.4_2.4 2.4cm

2.4_4=9.6(cm), 2.4_2.5=6(cm) (9.6+6)_2=3.2(cm) 2 6=;@0!; 42.95 2_0=20.09285y, 20km, 2 48=;@0*; ( ) =( ) 3 =38.7 3=2.9(cm ) ;3@; ( ) =( ) 3_2 =2.9 3_2=4.3_2=8.6(cm ) 42.95 28_0=5.06964y, 5km 5km (~)= (~)=.75 (~)=.75 7=0.25 (~)=+.75+0.25=3 (~)=8.6 3=2.72(km) (~)=0.5+8.6-2.72=5.94(km) 3.4_54=83.6(m) 60-54=6(m) 83.6 6=30.6() 3.4+30.6=34() 7 50+34= 8 24 2, 2_2=4, 4_2=8, 8_2=6 +2+4+8+6=3 544.6 3=7.56774y 7.568cm 5 6. 8 5 7< 3 9 0. 4 5 3 4 2 3 4 8 4 4 5 6 3 2 8 5 2 8 5 3 0 7_=32. 5 7_ 7< 0.5 2 =6 3 2 4 8 7_6 3 =5, =4 4 5 7_5=5 5 4 =5 57_5=285 0 =2, =8, =2, =8 8-=28 5 6 57_ 5 6 =8 57_8=456 =4, =5, =6 8=456+28=484 =4, =4, =4 0-342=48 0=48+342=390 =3, =9. 45<(._5)<50 =9, 5<(._5)<20 =3 3.9 3 30 30 60=0.5 360 60=6 3 90 +0.5 _=6 _ 90 =5.5 _, =90 5.5 =6.363636y 3 6

-0.25=0.875 ;8&; -0.2=0.8 ;5$; 7, 4 28 ;3@2*;, ;3@5*; 28 32, 35 35-32=3 8.7cm 8.7 3_(32+35)=94.3(cm) 6.5 3=5.5, 48.3 3=6. 6 6, 32.9 7=4.7, 43.5 7=20.5 5 20 6 6, 7 7, 8 8, 9 9, 0 5, 0 0,, 2 6, 2 2, 3 3, 4 7, 4 4, 5 5, 5 5, 6 8, 6 6 6 3 3.8 3=0.6(cm ) 8 0.6_8=90.8(cm ) ( )=90.8 5=2.72(cm 6 32-20=2() 2 6=0.75() 0 0.75_0=7.5() 32-7.5=24.5() 2.9-0.00=2.8 7 29 7 29 493 2.008 493=0.245y, 2.998 493=0.247y 0.24 0.24_493=2.8 =6 0.246_493=2.278 2.279 7=7.34 y 0.00, 2.279 29=4.82 y 0.00 -=7.34-4.82=2.952 7.44cm 3 3.25 4.7cm 2.24km 7.45L 3 2 2, 4, 6_4_4=96 78.56 96_4=.86_4=7.44(cm ) 83. 7=.874y, 84.5 7=26.357y 2 26 87.5 3=6.7307y, 224.8 3=7.29230y 7 7 26 7=3.742y 3.7 2 7=0.7058y 0.7 3.7-0.7=3 45, ( )=( ) ( )=(80-45 ) 2=67.5, =67.5-60=7.5 67.5 ( )=80 -(67.5 +67.5 )=45, =67.5-45=22.5 =80-(60+22.5)=97.5 (+)=97.5 (7.5+22.5) =3.25 3.5 _4+_2=_4_3.5, _4=_2, =_3

(_3)_(_4)= 2 56 2=4.666y 4.7cm 3.4_2=6.8(km) 0.5km 6800 500=3.6(), 3.6 3.6_(.6+.)=36.72(km) 36.72 3=2.24(km) 3.4 km 3.4 km 5.8 cm 5.8 cm y 5 cm 5 cm 5 cm 5 cm 5cm ( ) =(40.8-5.8) 5+=28() 3 28 3=9y ( ) =52_39 2+60_25 2=764(cm ) ( )=60_25 2=750(cm ) A 39_3 2=58.5(cm ) B 25_ 2=2.5(cm ) ;3@7^; 26 37=0.702702y 7, 0, 2 ( )=360 0_3=08 ( )=(80-08 ) 2=36 ( )=360 0_2=72 ( )=(80-72 ) 2=54 8 7 9 6 0 5 4 2 3 AB 58.5_+750-2.5_=46_+750 764 2=882 46_+750=882, 46_=882-750, =32 46, =2.8695y 3 36, 54, 36 +54 (=90 ) () 0.8 L ;4!9); () ;5@;=;2!5); 49 0 0 3.24 L 25 () 49 () 25 49-25=24 24 3.24L 3.24 24=0.35(L), () 0.35_49+0.8=7.45(L)

26cm 72cm 46;3@;cm 2cm cm 26cm 4 cm4 cm 8_8=64(cm) ( )=35 4=2.5(cm) 2.5_20=50(cm) cm cm 2cm 2_2 2=72(cm ) ;3!; 40_;3!;=46;3@;(cm ), 5.5 4.5 {72-(5_2+2_2)} 2=9(cm) 6.5_2=3(cm), 20 ( )=24 5=4.8(cm) (8+6+7.2+4.8)_2=72(cm) 4 3 4 3, 50 36 70 75 4cm (4+3+4+3)_2_4=2(cm ) 60 ( )=(80-50 ) 2=5 ( )=80 -(5 _2)=50 64cm 3cm 50cm 72cm ( )=( )=( ) ( )=( )=55 ( )=80-55 -55 =70

72 72 72 72 ( )=( )=80-72 =08 ( )=80-08 =72 ( )=80 -(72 _2)=36 ( )=90 +60 =50, ( )=(80-50 ) 2=5 ( )=( ) ( )=60-5 _2=30 ( )=(80-30 ) 2=75 ( )=80-75 =05 ( )-( )=05-30 =75, 8 2=9(cm), 0 9_0=90(cm) 24cm ( ) 8 =24_;3@;=X24_; 3%;=40(cm) ( )=20-4=6(cm) 40cm (2+4)_( ) 2=40, ( )=5(cm) (24+40)_5 2=60(cm ) 444cm 90cm 60cm 5 04cm 48cm 5 052cm 68cm 64cm 08 88cm 22.5 8, 8 54 50cm 5 2 cm 2 cm 2 cm 0 cm 2 cm 0 cm 2 {(2_2)+(2+20)_8 2}_2-0_0 =444(cm ) 26, 2_2=4(cm ) 26_4=04(cm ) 2 cm 5 cm 4 cm cm 2 cm 5 cm 5 cm

, 2_2=24(cm), 2_2=24(cm) 24+24=48(cm),,,, 5 0 5-0=5() 2_4+5_4=68(cm) cm (3_)cm, (_)cm, 28cm (3_)_-_=2 =28, _=64, =8 (24+8)_2=64(cm) 66 24 cm 52cm ( )=(52-24_4) 4=4(cm), ( )=24-4=0(cm) 24_24_2-0_0=052(cm ) ( )=80-90 -66 =24 ( )=24 66 ( )=66 _2=32 ( )-( )=32-24 =08 cm 7 cm 5 cm 7 cm 2 cm 2 cm 2 cm 2 cm 7 cm 5 cm 7 cm ( )=2_2_2-239 =49(cm ) 7cm cm 6 cm (-6) cm 2 cm (-8) cm 6 cm 2 cm 4 cm 2 cm cm 68cm {+(+-6+-8)}_2=68, 4_-6-8=34, 4_=48, =2 4_(4+6+2)=4_22=88(cm )

0cm, 5cm (0_5 2)_2=50(cm ) ( )=( )=45 ( )=(80-45 ) 2=67.5, ( )=67.5-45 =22.5 2 3 4 8 5 7 6 (, 5), (2, 6), (3, 7), (4, 8), (2+3, 6+7), (4+5, 8+), (2+3+4+5, 6+7+8+), (8++2+3, 4+5+6+7) 8 (+2, 5+6), (3+4, 7+8), (+2+3, 5+6+7), (2+3+4, 6+7+8), (3+4+5, 7+8+), (4+5+6, 8++2), (+2+3+4, 5+6+7+8), (3+4+5+6, 7+8++2) 8 45 0 68 0 20 35 ( )=( ) ( )=80 -(35 _2)=0 ( )+( )+20 =0 45 ;3!; 60 42 360cm 36 26 62 0 3, 2, 3,, 0 ( )=(80-72 ) 2=54 0 cm 5 cm 30 30 0 cm ( )=( )=0 2=5(cm) ( )++ =+, 34 34 += ( )=34 _2=68,

,,, ;3!; ;3!; 2, 3, 3 75 ( )=Z600_; 8%;=375(cm ) 6 5 ( )=Z375_; Á5#0@;=240(cm ) X2 600-240=360(cm ), 60 Z360_;Á; 2;=60 X6 2 00,, 22, 55, 69, 88, 96 2002, 22, 2222, 2552, 2692, 2882, 2962 5005, 55, 5225, 5555, 5695, 5885, 5965 6009, 69, 6229, 6559, 6699, 6889, 6969 8008, 88, 8228, 8558, 8698, 8888, 8968 9006, 96, 9226, 9556, 9696, 9886, 9966 7_6=42() 30 cm50 cm 2 cm 30 cm 3 3 32 cm 20 cm 2 40 cm

00cm 45cm 27.5cm 46.875cm 3.75cm 24cm 35cm 6;5@;cm ( )=(5+2)_6 2 =5(cm ) ( )=2_6 2=36(cm ) ( ) =5-36=5(cm ) 8_( ) 2=5(cm ) ( )=5_2 8=3.75(cm) ;4#;, 26cm ( )=26 3_4=288(cm ) cm _ 2=288, =24 5_8 2=20(cm ) 5 20_5=00(cm ) ( )=87.5_2 (0.6+9.4) =2.5(cm) ( ) =87.5 2-0.6_2.5 2=27.5(cm ) 2.5cm ( )_( ) 2=2.5(cm ) ( )=( )=5(cm) ( )=5_9 2 =67.5(cm ) 2.5-67.5=45(cm ) ( )=92_2 6 =24(cm) ( )=92_2+228 =62(cm ) ( )=62_2 24-6=35(cm) 40cm 45cm ;4!; {40_40-(45_45 2)} 4=46.875(cm ) ( )=(2+20)_6 2 =256(cm ) ( )_6 2=20_6 2, ( )=20(cm) 64 ( )=Z256_; 4!;=64(cm ) ( )=64_2 20 ( )=64_2_;2 0; ( )=6;5@;(cm) 66cm 840cm 73.5cm 8400m ( ) ={( )+( )} =-( )_2 =(42_25 2)+(32_25 2) =-(22_2 2)_2 =525+400-264=66(cm )

( )=24_5=20(cm) ( )=20 4=30(cm) ( )=20 3=40(cm) (30+40)_24 2=840(cm ) 8 cm cm ;2!; 5 cm,, 7 cm 25_6 2-(8_ 2+7_5 2+8_5) =200-26.5=73.5(cm ) 50 m 20 m 90 m, ( ) =( ) =20_40 2=8400(m ) 5.5a 73.96a 0.63ha 95ha 86_86=7396(m ) 73.96a 40_40 2-40_50 2 =9800-3500=6300(m ) 0.63ha ( )=( ) =( ) = ( )=( ) =( ) = ( ) =_3+_3 =(2400+400)_800 2 =5850000(m ) ( ) =+=5850000 3=950000(m ) 9500a 95ha 32cm 3.2ha 7.5cm 904cm 93.5a 72cm 93;4#;cm 3.23t 308cm 2 6cm 96cm 28cm 9 6.cm 5cm 80cm 735t 82.8cm 6cm 0.6048ha ( ) =(20+20)_50 2-20_60 2 =24750-9600=550(m ) 5.5a 4, ;3!; m, m 8 m (3_+8) m 6 Y48_; 3@;=32(cm ) (3_+8)m +3_+8=60, =3 ( )=6_3+8 =86(m) 800 m 720 m 400 m

;2!; ;6!; (800+400)_720 2_;6!;=32000(m ) 3.2ha ( )=8_24 2=26(cm ) ( )_4.4 2=26, ( )_4.4=432, ( )=30cm 3 cm, (35.7+)_30 2=26_3, (35.7+)_30=296, 35.7+=43.2, =7.5 4 3 2 (8_8 2+6_6 2+24_24 2+32_32 2)-(2_2 2+4_4 2+6_6 2)_2 =960-56=904(cm ) ( )=65 3=55(m) ( ) =( ) =(65+55)_85 2=9350(m ) 93.5 a _2 _6 08 6=8(cm ) _4 8_4=72(cm ) 8.5 cm 5 cm 30 60 0 cm 6.5 cm 60 ( )=5 2=: 2 :=7;2!;(cm) ( ) =(8.5+6.5)_7;2!;_;2!;=93;4#;(cm ) (3_)kg (5_)kg 3_+280+5_+640=9400, 8_=7480, =935 ( )=935_3+280=3085(kg), ( )=935_5+640=635(kg) 635-3085=3230(kg) 3.23t _3 84 3=28(cm ) _ 28_=308(cm ) ( )=30_4.4 24=8(m) ( )=(4+24)_8 2=252(m ) ( )=252_29=7308(kg) ( )=252_29 7.308t 7.308 4=.827 2 2 (2+24)_( ) 2=(8_24 2)_2, 36_( ) 2=432, 36_( )=864, ( )=24(cm), ( )=24-8=6(cm) 36cm ( )=(2_2-36)_2 2=8(cm) ( )=8-2=6(cm) cm (2-)cm 36cm 6_ 2+36=2_(2-) 2,

3_+36=72-6_, =4 ( ) =(2+4)_2 2=96(cm ) 6cm 6_6 2=28(cm ) ( ) =40_3 2+(24+40)_22 2=964(m ) ( ) =28_964=26992(kg) 3t=3000kg 26992 3000=8.997y 9 9 ;2!; ( ) =288 2-36=08(cm ) 288-08=80(cm ) 700 m 250 m ;2!;_;5@;=;5!; ( ) =250_700_;5!;=75000(m ) 4.2_75000=735000(kg) 735t ( )=7-2.8=4.2(cm) ( )=7-3.6=3.4(cm) ( )=(3.4+2.8)-3.6=2.6(cm) ( ) =(4.2_4.2 2) 2=4.4(cm ) ( ) =(2.6_2.6 2) 2=.69(cm ) 4.4+.69=6.(cm ) 3 cm 3 cm.5 cm 7 cm cm cm.5+.5=3(cm), 8 8_3=24(cm) 24cm 2_0-(3_3 2+_ 2)=5(cm ) 2 cm ;4#; 3 ( )=2_3=36(cm ) 9 cm 8 cm ( )-( ) ( ) =(9+8)_2 2-2_8 2=54(cm ) ( )=54_; 5;=25.2(cm ) 9_2-25.2=82.8(cm ) 3.5 cm 5.5 cm 4 cm 2 cm 8 cm 0 cm 8.5 cm 0.5 cm cm +0=4+(8-), 2_=2, =,, (9_2)-{3.5_8 2+4_8.5 2+ (5.5+0.5)_2 2} =228-(54+7+96)=6(cm ) ( )=72m

( )=(86-72)_(48+72) 2 =6840(m ) (86+72)_(48+72) 2-(72_72 2) =2888(m ) 2888-6840=6048(m ) 0.6048ha 504cm 3.6cm 72cm 47.25cm 72.53ha 5.625t 70cm 6.25a 4.22t 6 cm ++=++ 6 cm 4 cm 24 cm 4 cm ( )+( ) =( )=( ) ( )=( ) =(6+24) 2=20(cm), ( )=24-20=4(cm), ( )=20-4=6(cm) ( )=( ) 8 9 Z80_; 2!;_; Á2!0^;=72(cm ) 3 cm 6 cm 4 cm 8 cm 8 cm6 cm 4 cm6 cm, ;2 4;=;6!;, ;6%;_;2 ;=;4 2;, ;2 ;_;2 4;=;2 ; ;6!;+;4 2;-;2 ;=;2 ; 96cm 96 4_2=504(cm ) ( ) 45 =(3+6)_3 2 =3.5(cm ) 6 cm 45 3 cm 45 ;5!; 3 cm 3.5_;5!;=2.7(cm ) cm =2.7_2 (3 2)=3.6,, 4 ;4!; (3.5+8)_2 2 4=47.25(cm ), ( )=4_+2_=3740 2_+=870 yy ( )=+=050 yy =870-050=820(m), =230(m) 820_820+230_230=725300(m ) 72.53ha -=( )-( ) =(250+25)_250 2-25_250 2 -=3250(m ) 32.5a 50_32.5=5625(kg) 5.625t

+4+9+6+2+8+5+0=55(cm ) 4+3+8=5(cm ) 55+5=70(cm ) 00 00m ()+()=50m (m) 2 y 24 25 26 y (m) 49 48 y 26 25 24 y (m ) 49 96 y 624 625 624 y 25m 625m =6.25a 6 += 842.4kg 842.4_(30 6)=422(kg) 4.22t 32 8 9 8, 5 25_20=500() 500-{(0_4+20_6+30_4+40_3) +(3+5+2+8+6+4+3+3+6++5+2 +7+2+3+8)}=32() (30kg ) ={30_9+(2+5+6+2+3+++3)} =270+(22+)=(292+)(kg) (50kg ) ={50_5+(2++3+4)}=260(kg) =260+40-292=8 7_6=42() ( )+( 2 ) =42-2=2() 3 ( 2 )=X2_; 7#;=9() / 2 X6 X8 4 7 0 X8 X6 X8 X2 3 8 X2 X8 () X2 6 X4 4 9 0 X2 X4 X0 0 X0 0 ( ) =72+74+83+96+94=49() ( ) =70+80++90++90+00 =(++430)()

+=3, -=3 =(3+3) 2=8, =5 74 666 6860 8 0.2cm 448 549.5 930.25 ( 4 ) ={40_7+(8+++5+2+7+4)} 7 =008 7=44(cm) ( 5 ) ={50_5+(+5+4+9+2)} 5 =77 5=54.2(cm) ( )=54.2-44=0.2(cm) 4000 403, 403, 403, 430, 430, 430 (403+403+403+430+430+430) 6 =24888 6=448 +++=84_4=336 +++++52=77_6=462 =462-(336+52)=74 ( kg)=6450 3=250() ( kg)=0200 4=2550() ( kg)=7600 5=520() ( kg ) =2045_4=880() ( kg) =880-(250+2550+520)=960() ( 3.5kg )=960_3.5=6860() ( ) =(42+43+y+56) 5=49() ( )=40_0.85=34() ( )=49_34=666() 00 999 00+0+02+y+997+998+999 099 099 099 =099_900 2=494550 494550 900=549.5 ( )=7+8+8+2+9+5+9 =07() 2 07 2=8.966y 8 5 07 5=7.33y 8 2 5 8 4 _ 30_30=900 + 900+30=930 (+)_(+) 3_3=96 = 930 30 4 (900+930+96+930) 4=930.25,,,, 8640 4 3500_4=4000(kg) ( )+( ) =5240+360=8400(kg) ( )+( )

=4000-8400=5600(kg) 20 ( )=Y5600_; 5#;=3360(kg) ( ) =5600-3360=2240(kg) 5 5 6 7 8 9 00 0 t 00kg 0kg 650_4_0.27=702() 2600-(920+702+356) =622() 4444, 305kg 0 34 6 800 8 520 37, 46 3 4.88kg 45 82.8 45 35.8 3 5 5 7 7 5 3 7 7 3 00 0 7 3 5 5 3 (50_3+5) 24 =6.45y 6.5() (50_2+5_7) 25=5.4() (50_3+5_6) 28 =6.42y 6.4() (50_3+5_5) 26 =6.73y 6.7() >>> (5 ) =580_5=75900() (5 ) =75900 60=265() (7 ) =265-(224+308+253+32)=68() 9, 7 60_(32-68)=60_44=8640() 6, 3, 5, 7 6 6_4=24() (+3+5+7)_000_6+(+3+5+7) _00_6+(+3+5+7)_0_6 +(+3+5+7)_6 =96000+9600+960+96=06656 ()=06656 24=4444,, 380_3=40(kg) ( ) =40-330-350=460(kg) ( ) =(460+80) 2=270(kg) 6

(240+330+80+270+460+350) 6 =305(kg) ( ) ={(50+60_3+70_5+80_7+90_4) =+(2+4++9+2+3+3+7+3++8+5 =+2+6+8+2++7)} 20 =78.7() ( ) =78.7-.7=77() ( ) =77_8=386() =386-{(60_4+70_6+80_5+90_3) +(2+9+4+2+6+7+5++8+2++3 +4+2)}=0,9 9_+(+2+8+9+0+6+7+8) =25_9=25, =6 6+8=34 82 79 97 + +2 +8 +9 +0 +6 +7 +8 (97-82) (82-79) =5 5+=6( ) ( 0 ) =20000-600=8400() 00kg 50kg 0kg ( ) 3000 =5000-Z5000_; 5!;=2000() ( ) =(8400-2000) 0=640() 60 Y640_; 4%;=800() 950 950_29=27550(),,, 9250+520+4480=25250() 27550-25250=2300() 2300 (250-950)=7.666y 8 (465_2-830) 2=050() 050+830=880() 050+720=770() 55_4-(050+880+770) =360() =880-360=520 800~899 0~200 2050~249 ( ) =(800+0+2050) 3=37 ( ) 720 =(899+200+249) 3=46 84.2_5=42() 0

()+() =42-(72+85+85)=79() ()+() =(90+)+(_0+3)=79, +_0=86 =6, =8 96, 83 96-83=3() ( ) =38.4_24=92.6(kg) ( ) =32.6_(24-5)=32.6_9=293.4(kg) ( ) =(92.6-293.4) 5=4.88(kg) 73.2-72.52=0.6() 27 0.6 27_0 6=45() ( )=32_00 55=240() ( )=240-32=08() ( )=(8_32+85_08) 240 =9872 240=82.8() (6 )=47_6=282 ( )=32_4=28 ( )=6_4=244 (, ) =28+244-282=90 90 2=45 68 353.375 42 63.6 78 5 8 83.4 37.7,,,, 66.6_5=333, (333-9-26-3-37) 5=46 46+37=83,, (333-46-83) 3=68, 2, 3, 4, 5, 6, 7. 70, 6, 52, 43 2 260, 25, 242 3 350, 34, 332 4 440, 43 5 530, 52 6 620 7 70 (70+6+52+43+260+25+242 +350+34+332+440+43+530+52 +620+70) 6 =5654 6=353.375 9 26 3 37 3 (+8), 2 (+5), 4 (+0) +0=4_-80 =30 4 (38_30+35_38+30_32+40_36) (30+38+32+36)=35.80y 35.8 442, 2, 3, 7, 26, 34, 22, 442 5 5, 30, 45, 60, 75, 90 ( ) =(+2+3+7+26+34+22+442) 8 =94.5 ( ) =(5+30+45+60+75+90) 6=52.5 94.5-52.5=42

_540=_80+9.2_80+460_62, _460=29256, =63.6 ( )=8(), ( )=40-8=22() ( ) =(90_40-22_2) 40=83.4() (+2) 3, 4, 5 (+2) 60 +260, 20, 80, 240, 300, y 58, 8, 78, 238, 298, y (58+8+78+238+298) 5=78 5 +2+4+5=X40_; 8#;=5, =4 +=40-(4+3+0+4+2+4+5)=8 ( ) =60_4+70_(3+)+80_(0++4) =+90_6+00_5 =80_40=3200, () () 60 70 80 90 00 60 3 70 0 80 4 2 90 5 00 70_+80_=590 =(8_80-590) (80-70)=5 57g 57_+(485+32+556)=526_(+3), =(526_3-353) (57-526), =5 5+3=8(),, +2_=90_40, +8_=87_40 3_-2_=30 +=40 2_+2_=80, 5_=0, =22, =90_40-2_22=3336 ( )=3336 40=83.4() 300 250~349, 25 258 30 304, 305, 306, 307, 308, 309 3 35, 36, 37, 38, 39 32 326, 327, 328, 329 33 337, 338, 339 34 348 ()=250+300_6+30_5+320_4 +330_3+340+(8+4+5+6+7 +8+9+5+6+7+8+9+6+7+8 +9+7+8+9+8) ()=6354 ()=6354 20=37.7 90_40-87_40 =( )_2-( )_8 ( )_2-( )_8=20 yy ( )+( )=40 ( )_2+( )_2=480 yy ( )_20=480-20=360,

( ;2ª0; )=360-234=26(g) 6.4kg, 2.8kg 58, 24 200km 50g 360-(26_: 9º:)_;4#; =360-20=50(g) 8 kg 5 8kg 8 5=.6(kg).6_4=6.4(kg).6_8=2.8(kg) 82 (82+6) 3=66 (82-66) 2=58 (82+66) 2=24 885 0034 53, 74 3=24y2 74 24 2_24=288 25 288+6=294 294+295+296=885 80 km ( ) =80_2=360(km) ( ) 20 =Z360_; 3$;=480(km) ( ) 60 =Z480_; 3%;=800(km) ( ) 400 =Z800_; 2#;=200(km) ( ;4#; )+( )=360g ( ;4#;)_;5@;+()=234g, 3, 5, 7, 9 2008 5=40y3 2008 (+3+5+7+9)_40+(+3+5) =0025+9 =0034, 2, 4, 8, 6, y 2 024=2_2_2_y_2 0 024 () 2 3 y () 3 3_(+2) 3_(+2+3) y () +2 +2+3 +2+3+4 y 408 3=36, 36=+2+3+y+6 6 +2+3+y+7=53()

500 2, 00 8, 50 6, 7, 6 200 500 2 50, Y Y Y,, 500() 2 2 2 2 00() 2 0 8 6 50() 2 4 6 8 () 2300 2200 200 2000 500 2, 00 8, 50 6 234 26 2;2!; 2, 4 Y Z Y Z Y Y Z Y Z Y Y Y Y Y Y Y Z Z ( )=(6_6+54) (6-4)=45() ( )=6_(45-6)=234() 0 3 2 2 0 0 0 0 6 0 0 2 0 3 2 0 2 0 0 0 2 0 2 3 () 30 26 22 22 8 4 8 4 0 6 30, 26, 22, 8, 4 ( ;8!;)-( ; 0;)=5() ( ;8!;)=5+2=7() ( )=7_8=36() ( )=20+36=256() 5 256+5=26(), 0, 6 7 300 (6-4)=50() Y Y Z Z Y,, Y Y Z 50_;6 0;=2;2!; 2;2!; 2 34 30-2=28() 34 3_34=02() (28-02) (5-3)=3 3+=4() 2, 4

0 0 36 4 0 8 5 8 3 3 8 5 0 3 5 8 3 5 0 5 3 8 3 5 0 A B C A B C A 7 7_2=4() 0 3_2=6() 8 2_2=4() 6+4=0() 2 2_3=36() 2 4 9;5*3; 6 6 _0 2 2 2 2 5 2 _0-+2=_4+48+5, _6=42, =42 6=7() (9+5) 2=2() 24, 20 505, 672 48000 288cm 50, 75 3452, 5432 60 54, 38, 8 200 79 2, 5 22 7 585 7

2 3 2+=3() 4 3+2+=6() (-)+(-2)+y+=9, _(-) 2222=9, 2 _(-)=82=4_3 4 4+;2#;_(-2)=009, =672( ) 009 505 672 (A ) =(84-2_3) (2-8)=2() (B )=2+3=5() ( ) =500_2+2000_5=48000() 93024 2_2_2_2_2_3_3_7_9 =6_7_8_9 =6, =7, =8, =9 8 4 +=;!7^;_;Á 8;+9 9 =;5*3;+9=9;5*3; 8 cm ;9@; 64cm 32 Y64_; 2(;=288(cm ) 8 cm ( 3 ) =(+2+3+y+0)+(+) =55+(+) {55+(+)} 3 (+) 2, 5, 8,, 4, 7, 20 2 20 (55+7) 3=24 (55+5) 3=20 4, 4 3 3 5 7 9 y 5 9 3 7 y +2_(-) +2_(-)=009, =505( ) 2 4 6 8 0 y 4 7 0 3 6 y 4+;2#;_(-2) 59000+7250=76250() (76250-550_25) (700+550) =62500 200=50() 50+25=75(), ++ 3 (, 2, 3), (, 3, 5), (2, 3, 4), (3, 4, 5), (, 3, 5), (2, 3, 4),,, 2, 3 =2 234, 324 4,, 3, 4, 5 =4 3452, 5432 4 32 8060 8 4 88 2448 80 6 24 32 2 3 4 4 4 88 8 8

60 4 (0_4-364) (4-2)=38 38, 38 72 8 Y72_; 4#;=54() 8 Y72_; 4!;=8() ;8#; 5=;4 0; 3 ;4 0;_3=;4#0(;, 3 -:4#0(;=;4 0; 3_40=20() 44000 20=200() 3 5 20 5=24 2_24=48() 48 5=9y3 2_9=8() (8+3) 5=4y 2_4=8() (8+) 5=y4 2_=2() (2+4) 5=y 2_=2() (2+) 3= 48+8+8+2+2+=79() 57 2_5=60 2 3, 24 2_5-57=3 3 3=() 3_5-57=8(), 4_5-57=3() 5_5-57=8 8 3=6() 6_5-57=23(), 7_5-57=28() 8_5-57=33 33 3=( +8=29 ) 2 5 8 _8=8_=2_4=4_2=8 94 36 66 49 77 79 8 63 97 29 92 8 99 8 38 83 24 64 88 46 67 42 76 3+9=22() ( )_(), 23, 3, 7,, 2, 33, 77, 23, 4 (3, 7), (7, ) 23 3=77(m), 23 7=33(m) 77-33=44(m) (Y) 23 7=33(m), 23 =2(m) 33-2=2(m) (Z) 7 y y 8 ( 8) y 8_8=64() ( 8 8) y 64_8=52() ( 64 8) ( )=+8+64+52=585() 4 5 6, 7

7 2 24;5!; 000g 250g 8;2!0&; 7 68 79 64 2744cm 4 2 3 Y 7 25 3 6 3 2 6 2 _3 _8 25+3+6+3++2+6+2=68() _6 3;5; _5 _9 _2=3;5!;, =3;5!;_; 2;=;!0!; 8 _8=_6=;Á!0!;_Y6=: 5 :, 5 =;; ; 5 :_; 8!;=: 5 : _=: 5 :_=: ;5@; :=24;5!; 300g 3000, 8km (km ) =(3360-3000) 8=45() 3860-(45_28)=2600() 2600 000g 250g 4 ;5$;=4_;5$;+4=: 5 : ;8#; ;2!;=;8#;_;2!;+;8#;=;ª6; ( )_;3$; : 5 :;ª6;=(: 5 :-;ª6;)_;3$;=8;2!0&;, =AB =CC =DE A+D=65, B+E=72, B+C=80, A+C=67, C+E=66 C-E=80-72=8 C=(66+8) 2=87, E=66-87=79 79 00 (48) 5 8 7 5 5 (35) (50),, (++5) ++=60, +=33, +=38 =33+38-60=(), +=60-=49() ++5=49+5=64()

2 3 4 5 6 y (cm ) 2 4 8 2 8 24 y +2 +4 +4 +6 +6 y 232 232 (232 ) =2+2+4+4+6+6+y+232+232 =2744(cm ),,,,, 3 6+8=4