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          СW(xu)꼉(j)Ĕ(sh)W(xu)(yng)}105

          r(sh)g2022-07-27 11:00:59 СW(xu)(sh)W(xu) ҪͶ

          СW(xu)꼉(j)Ĕ(sh)W(xu)(yng)}105

          (do)ZСW(xu)꼉(j)пԇǵһδ͵Ŀԇ@ӵĔ(sh)W(xu)ԇ(yng)}(yn)Ҕ(sh)W(xu)˼SСĔ(sh)W(xu)(yng)}ϣ(du)!gӭxHP(gun)֪R(sh)Ո(qng)P(gun)עCNFLAW(xu)(x)W(wng)ęĿ!

          СW(xu)꼉(j)Ĕ(sh)W(xu)(yng)}105

          СW(xu)꼉(j)50(sh)W(xu)(yng)}1

          1̵ͯһ۳30%۳40(g)@߀ʣһ@жق(g)?40(50%-30%)=4020%=200(g)

          2ijSм҃ɂ(g)܇gš˔(sh)ıȞ35ļ܇g{(dio)120˵܇gt҃܇g˔(sh)ıȞ37҃܇gԭж?120( 7/10-5/8)=1203/40=1600˼ף16003/8=600ң16005/8=1000

          3һvĦ܇1/2Сr(sh)30ǧףÿСr(sh)жǧ?1ǧҪСr(sh) ?

          301/2=60ǧ 160=1/60Сr(sh)

          4[ҿͬW(xu)УͬW(xu)ռ߷֮[߳5λͬW(xu)󣬿ͬW(xu)ŮͬW(xu)ռʮ֮ʮԭ[һжͬW(xu)ڿ?

          ԭxͬW(xu)(1-4/7)x=(x-5)x=28

          5tS{(ln)62ֻмt֮S֮{(ln)24ֻtSжֻ?

          62-24=38(ֻ)

          3/5t=2/3S

          9t=10S t:S=10:9

          38/(10+9)=2

          t:210=20

          S:29=18

          6W(xu)У[36W(xu)4/9ŮW(xu).ցˎŮW(xu)@r(sh)ŮW(xu)˔(sh)ռ˔(sh)3/5ˎŮ?

          ԭŮ:364/9=16()

          ԭ:36-16=20()

          п?c)˔?sh):20(1-3/5)=50()

          Ů:503/5=30()

          Ů˔(sh):30-16=14()

          7ˮY(ji)ɱweҪԭÛ11֮12.16׵ıڻˮweǶ?

          2.16/(1+1/11)=1.98()

          8ҵļZʳ560Ѽ׵ļZʳ\(yn)2/9oңtҵļZʳ.ԭ׵ļZʳжه?ҵļZʳжه?

          F(xin)ڼҸ

          5602=280

          ԭ280(1-2/9)=360

          ԭ560-360=200

          9ҕC(j)r(ji)200Ԫ.ԭ2/11.F(xin)@NҕC(j)ăr(ji)ǶX?

          ԭr(ji)2002/11=2200Ԫ

          F(xin)r(ji)2200-200=2000Ԫ

          10һv܇ļ׵صҵȫ̵2/5߀20ǧ@r(sh)xҵ߀70ǧ҃ɵǧ? ȫ̵

          1-2/5=3/5

          20+70=90ǧ

          ҃ɵ903/5=150ǧ

          11Сһһ쿴28ڶ쿴ȫ1/5(5֮1)칲ȫ3/8(3֮8)@ж?

          һ쿴ռȫ3/8-1/5=7/40

          @287/40=160

          12ͽͬӹһӹһΕr(sh)gӹ84(g).ͽܼӹ63(g).ͽܶӹռȫ΄(w)1/28.@жق(g)?

          O(sh)@X(g)

          1/28X=84-63

          1/28X=19

          X=532

          13һͰ7/10M(jn)15ǧ@r(sh)ͰеһͰ͵һ@Ͱضǧ? 15(7/10-1/2)=75(ǧ)

          14һл܇Ϻ_ȫ·̵3/5ʣµ·ÿСr(sh)106ǧ5Сr(sh)Ե.ϺF·Lǧ?

          (1065)/(1-(3/5))

          =530/0.4

          =1325(km)

          15꼉(j)Ӕ(sh)W(xu)dȤСMĹ46Ů˔(sh)4/5˔(sh)3/2dȤСMŮж?

          Ů˔(sh)ǣ4/53/2=815

          ˔(sh)46/(8+15)8=16

          Ů˔(sh)46-16=30

          16һv܇ÿ8ǧҪ4/5ǧƽÿǧͿжǧ.1ǧ·ҪͶǧ?

          84/5=10(km/)

          4/58=0.1(kg)

          17л܇ͬr(sh)600ǧ׵ăɳ(du)_.л܇ÿСr(sh)60ǧһл܇ÿСr(sh)75ǧף(jng)^Сr(sh)܇?

          600/(60+75)=40/9(Сr(sh))

          18һvĦ܇ÿСr(sh)64ǧ@ӵٶļ׵3/4Сr(sh)҃ɵǧ?

          643/4=48ǧ

          19ˮڃ(ni)uһˮһuˮ3/5ȵڶu30ǧˣ@ˮжǧ?

          1-3/5=2/5

          3/5-2/5=1/5

          301/5=150ǧ

          20СW(xu)ЌW(xu)910Ůռ4/7Ůж?ж?

          9104/7=520......Ů

          910-520=390.......

          21һKLεL60L2/5@KصeǶƽ?

          4/55/8=(45)(58)=1/2()

          4/5-1/2=8/10-5/10=3/10()

          22~t~cڽ~l(sh)ı7:3ڽ~9lt~жٗl?

          937=21l

          236꼉(j)ЌW(xu)132ˣЌW(xu)cŮW(xu)˔(sh)ı6:56꼉(j).ŮW(xu)ж?

          132(6+5)=12

          ͬW(xu)126=72

          ŮͬW(xu)125=60

          24ה(sh)Ҕ(sh)ı2:3Ҕ(sh)ͱ(sh)ı4:5.ה(sh)ͱ(sh)ı.

          ף=23=812

          ң=45=1215

          ףң=81215

          ף=815

          25·СW(xu)ֲĿÔ(sh)ȥ1.2.@(g)СW(xu)ֲÔ(sh)ȥֲÔ(sh)ı.

          1.21=65

          26һ(g)ҕC(j)SȥɫҕC(j)Įa(chn)cҕC(j)a(chn)ı20֮9.ȥ깲a(chn)ҕC(j)250000̫вɫҕC(j)ж_(ti)?

          25000020/9=112500_(ti)

          27ijSռȫSš(sh)3֮2g(sh)ˆTռȫ(chng)š(sh)2/9Ǹɲ@(g)SĹg(sh)ˆT͸ɲ˔(sh)ıȡ

          ɲռȫSš(sh)1-3/2-9/2=9/1

          @(g)SĹg(sh)ˆT͸ɲ˔(sh)ı3/29/29/1=621

          28ijW(xu)˔(sh)4050֮g˔(sh)Ů˔(sh)ı5:6

          @(g)Ůж?44(5+6)5=20

          Ů44-20=24

          29D^Ƽcˇı4 5ُM(jn)300ˇg(sh)󣬿Ƽcˇı5 7ˇԭ˰ٷ֮?

          ˇԭУ300(7/12-5/9)=10800()

          ˇԭˣ300108002.8%

          30ס҃ɏSȥքeӋ(j)΄(w)112%110%a(chn)ʳƷ4000ԭɏSӋ(j)֮ͳa(chn)400׏Sԭa(chn)΄(w)Ƕه?

          O(sh)׏Sԭa(chn)΄(w)x

          112%x+110%(3600-x)=4000

          1.12x+3960-1.1x=4000

          0.02x=40

          x=2000

          31塢꼉(j)ֻЌW(xu)175ֳMӻ(dng)һɽM˔(sh)54M67ˣһɽMж?

          һMЌW(xu)175-67=108

          һMW(xu)108ˡ5/9=60

          MW(xu)108ˡ4/9=48

          32ijУЌW(xu)465Ů2/34/520СŮ(g)?

          Ů3֮25֮420

          Ů(4/5)/(2/3)=6/520/(2/3)=30

          (465+30)/(1+6/5)=225()

          Ů

          465-225=240()

          33һݸһȫƪ7֮1ڶ5֮2ڶȵһ9@ƪж?

          9(5֮2-7֮1)

          =935֮9

          =35()

          @Ҋ35퓡

          34һKL͌ı85LȌ24@Kжƽ?

          O(sh)L8ݣt5ˣ324

          ôһǣ243=8

          Lǣ88=64ףǣ85=40

          eǣ6440=2560ƽ

          35ͬW(xu)˔(sh)ŮͬW(xu)25%ôŮͬW(xu)˔(sh)ͬW(xu)ٶ?

          ͬW(xu)1+25%=125%ŮͬW(xu)˔(sh)ͬW(xu)(125%-1)125%=20%

          36B(yng)SB(yng)i1987^ȥB(yng)i^(sh)3245^ȥB(yng)i^?

          ȥB(yng)i(1987+245) 3=744

          ȥB(yng)i:1987-744=1243

          37ССӢoϣ̾X(sh)ı2:5.СӢ35ԪС˶X?

          O(sh)СXԪ

          2:5=X:35X=1438(g)ƽ(sh)8.4еһ(g)(sh)9.2ڶ(g)(sh)ȵ(g)(sh)0.8(g)(sh)ʲô :O(sh)3(g)(sh)xз̞:

          3[9.2+(x-0.8)+x]=8.4

          x=8.4

          39ЃɸKһKӵLǵڶ1.5ڶȵһ3ɸKӸL? O(sh)һLxtڶL1.5x

          1.5x-x=3

          0.5x=3

          x=6

          61.5=9() һL6

          ڶL9

          40(du)һl·޺õLcʣµı4525׾ǡ޵@l·c(din)@l·ȫL?

          4+5=9

          ⣺O(sh)@l·ȫLxף

          (5/9-4/9)x=25

          1/9x=25

          x=225

          41һ(g)AμƬ돽eȵСһһƴһ(g)ƵL.ˆDεLȈAμƬLL16.@(g)AμƬe

          ô돽ǣ162=8

          Aeǣ3.1488=200.96cm

          42ij_l(f)^(q)ھC(j)_(ti)(sh)cbж܇v(sh)֮͞21_(ti)ÿ_(ti)ھC(j)ÿƽ750ʹڳr(sh)\(yn)ھC(j)_(ti)(sh)bж܇v(sh)Ƕ?

          O(sh)ڙC(j)XtbC(j)21-X

          750X=(21-X)300

          X=1443ǰgg2gg1.5gO(sh):4ǰXqt4ǰX2

          (X+4)(X2+4)=1.5

          X=8 8+4=12q

          44ֲ九(ji)꼉(j)170W(xu)ȥx(w)ֲ(dng)ƽһژ3(g)ŮƽһܷN7ʹÿ(g)ӷNһØŮж?

          :O(sh)XˣŮ(170-X)

          3X=7(170-X) X=119

          170-119 =51

          :119Ů51

          45һL40׵~zһ(g)A@12Ȧ߀ʣ2.32Aֱܵ

          40-2.32=37.68()

          37.6812=3.14()

          ֱ:3.143.14=1()

          46\(yn)һ؛һ\(yn)20%ڶ\(yn)6\(yn)ߵıǰɴεк2@r(sh)ʣ@؛֮һ]\(yn)@؛һжه?O(sh)@؛X X-20%X-6-1/3X=20%X+6-2 з̵X=37.5

          47һ(g)Aذ돽_ƴһ(g)ƵL֪LεL41.4ô@(g)ALǶ?

          ⣺O(sh)돽x(3.142x)+2x=41.4

          6.28x+2x=41.4

          8.28x=41.4

          x=5

          523.14=31.4ƽ

          48ijSһ(g)ϰa(chn)350a(chn)Ʒϸʞ90%;°a(chn)450a(chn)Ʒϸʞ96%.@(g)µĮa(chn)ƷϸǶ?

          35090%=315

          45096%=432

          (432+315) (350+450) 100%=747800100%=93.375%

          49҃ɼ̵׵25%ҵp25%ô@ɼҵͬԭ׵c(din)İٷ֮?

          1(1+25%)=4/5

          1(1-25%)=4/3

          4/54/3=60%

          50@ի@O湲8800ǧˣO20%ɷNˮ?

          8800/(1+20%+1)=4000ǧ

          O8800-4000=4400ǧ

          СW(xu)꼉(j)50(sh)W(xu)(yng)}2

          1ijW(xu)(sh)W(xu)ϵČW(xu)X37_(ti)Ӌ(j)_(ti)(sh)ǵ2߀15_(ti)һж_(ti)ǺӋ(j)?

          2ij܇(du)дI܇15vС܇v(sh)ȴI܇3߀4v@(g)܇(du)С܇ȴI܇v?

          3ͣ܇(chng)С܇24vС܇Ĕ(sh)ȴ܇2߀4vС܇жv?

          4@З135ãĿÔ(sh)ȗ3߀18һжٿ?

          5|СW(xu)꼉(j)һͬW(xu)ӆs־ӆ15ƌW(xu)(bo)ӆ(sh)W(xu)硷ıӆƌW(xu)(bo)2߀4ӆ@ɷNs־һжٱ?

          6СW(xu)һ꼉(j)210꼉(j)˔(sh)һ꼉(j)2꼉(j)꼉(j)˔(sh)17塢꼉(j)ЌW(xu)?

          7̵\(yn)_(ti)180(g)?z)Ă(g)(sh)_(ti)2߀35(g)̵\(yn)_(ti)?z)_(ti)?

          8Сtһ֮178퓣ʣµıȿ˵һ߀8@ж?

          9С12qfF(xin)ҵg3ҵg2?

          10tƤ18(g)ƤȼtƤ9(g)һق(g)?

          СW(xu)꼉(j)50(sh)W(xu)(yng)}3

          1}Б(yng)ԓĂ(g)λ1?

          (1)ֻ(sh)ǰõ3/7

          (2)ֻ(sh)3/4ஔ(dng)ڰ

          (3)ֻ(sh)5/6Ǻá

          2һͰˮȥ3/4ȥ15ǧˡ@Ͱˮضǧ?

          3Iһһ֦䓹Păr(ji)4Ԫ䓹Pr(ji)2/5䓹Păr(ji)ǶԪ?

          4һNС܇'ٶÿСr(sh)140ǧஔ(dng)һNwC(j)ٶȵ1/15@NwC(j)ÿСr(sh)wжǧ?

          5һ(g)(sh)1/41/2@(g)(sh)Ƕ?

          6(1)fһK4핵Ĺ@Oռ@e3/4Oռضٹ?

          (2)f3O䣬ռ@e3/4@eǶٹ?

          7(1)һMҧϵX݆СX݆28(g)XǴX݆X(sh)1/5X݆жق(g)X?

          (2)СX݆ÿD(zhun)400X݆ÿD(zhun)ܔ(sh)СX݆1/5X݆ÿD(zhun)?

          8ССm12ɫƬ@(g)(sh)Ŀஔ(dng)СmƬ(sh)3/10СmжُɫƬ?Сжُ?

          9һNϴl(f)Һÿƿb450ÿСƿb125ƿbСƿbĶٱ?СƿbǴƿbĎ׷֮?

          10һKC(j)45犸11/6ஔ(dng)@Kؿe11/21@Kжٹ?

          СW(xu)꼉(j)50(sh)W(xu)(yng)}4

          (1)һΜy(c)(yn)С(du)}(sh)11e(cu)4С@Μy(c)(yn)_ǰٷ֮?

          (2)׼ӹS2000ǧ˵ĵȼӹɴוr(sh)1600ǧ׵ij

          (3)ֈ(chng)ֲɻ24570630ãɻ

          (4)ҾߏSš1250ˣһȱ15a(chn)һ(jng)z(yn)ϸ485ֻϸ15ֻ@һ®a(chn)Ʒĺϸ

          (6)һ׷Nl(f)ѿԇ(yn)Y(ji)l(f)ѿ192]аl(f)ѿ8@һNӵİl(f)ѿ

          (7)(1)48ˁn2Ո(qng)¼@һ(1)ijʡ

          (8)(1)50пԇ5˲@(g)ļ

          (9)һ(x)Сеӏ200l(f)]е50l(f)Ƕ?

          (10)܊(zhn)ʿM(jn)Ќ(sh)Ӗ(xn)50ÿ6l(f)ӏY(ji)256l(f)ʡ

          (11)ijSһNa(chn)Ʒԭÿɱ96Ԫg(sh)ºa(chn)Ʒĺϸ?ÿɱ͵84Ԫÿɱ˰ٷ֮?

          (12)C(j)SӋ(j)a(chn)C(j)3600_(ti)(sh)Ha(chn)4500_(ti)(sh)Ha(chn)^Ӌ(j)ٷ֮?

          (13)wSڼӏ(qing)I(y)ÿĹ800pٵ650F(xin)ÿ๤˔(sh)ԭp˰ٷ֮?

          (14)һ(xing)̼(du)Ϊ(d)Ҫ10(du)Ϊ(d)Ҫ12׵ĹЧʱҶٷ֮?

          (15)ӹһNF(xin)ÿӹ1500(g)^ȥÿӹ300(g)F(xin)ÿӹ(g)(sh)^ȥӰٷ֮?

          (16)ijСW(xu)Ӌ(j)ˮ250ȥ깝(ji)sˮ30Ӌ(j)ˮஔ(dng)ȥˮİٷ֮?

          (17)Сʮ·80ȣ¹(ji)s20¹(ji)s늰ٷ֮?

          (18)ȺBiʮ·ݵĠII(y)~34.5fԪȾ·ݠII(y)~4.5fԪʮ·ݵĠII(y)~Ⱦ·˰ٷ֮?

          (19)ЬS·Ӌ(j)a(chn)Ь24000p(sh)Ha(chn)25200pa(chn)ٷ֮?

          (20)ijǏSa(chn)552Ӌ(j)a(chn)72a(chn)ٷ֮?

          (21)һ(g)a(chn)СMa(chn)1600(g)(yn)պ4(g)ϸa(chn)Ʒĺϸ?

          (22)ɽѷe82fԭӋ(j)e14fӋ(j)Ď׷֮?

          (23)ijS·a(chn)1280Ӌ(j)a(chn)320Ӌ(j)İٷ֮?

          (24)W(xu)УʳŸú7.5·ݹ(ji)ʡ1.5·ݱ·ݹ(ji)ʡúٷ֮?

          (25)ij˼ӹһ(g)C(j)ĕr(sh)gԭ15犽͵10犣r(sh)g˰ٷ֮?Ч˰ٷ֮?

          (26)һ(g)SU(ku)Ӌ(j)ͶY500fԪ(sh)H(ji)s45fԪ(ji)sͶYٷ֮?

          (27)һNҕC(j)F(xin)ÿ_(ti)ɱ550Ԫԭ100Ԫɱ˰ٷ֮?

          (28)ijFS·a(chn)F2460Ӌ(j)a(chn)60a(chn)ٷ֮?

          (29)ijSӋ(j)һa(chn)C(j)1820(g)(sh)Ha(chn)2320(g)a(chn)׷֮?

          (30)Ϊ(d)һҪ82׵ĹЧʱҿٷ֮?

          (31)һ(xing)̣ڲM(jn)g(sh)ֻ14.4fԪԭӋ(j)(ji)sͶY3.6fԪ(ji)s˰ٷ֮?

          (32)tǙC(j)SO(sh)ºÿa(chn)2400(g)ԭӋ(j)a(chn)400(g)ԭӋ(j)a(chn)ٷ֮?

          (33)ijC(j)P(gun)C(j)(gu)йˆT167ԭˆT68˰ٷ֮?

          (34)һNɫҕC(j)F(xin)ÿ_(ti)2400Ԫԭÿ_(ti)r(ji)350Ԫr(ji)ٷ֮?

          (35)a(chn)һNC(j)ԭҪ8Y(ji)ǰ3Ч߰ٷ֮?

          СW(xu)꼉(j)Ĕ(sh)W(xu)(yng)}105P(gun)£

          СW(xu)꼉(j)σ(c)Ĕ(sh)W(xu)(yng)}5001-22

          С30(yng)}\07-05

          һĔ(sh)W(xu)(yng)}01-14

          꼉(j)(sh)W(xu)Ĕ(sh)W(xu)(yng)}5002-07

          СW(xu)꼉(j)Ĕ(sh)W(xu)(sh)W(xu)(yng)}01-14

          2016µСW(xu)(sh)W(xu)20(yng)}01-14

          50(sh)W(xu)}01-15

          СW(xu)10W(sh)}01-22

          СW(xu)꼉(j)15(yng)}02-07