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          СW(xu)(yng)}}ʽ

          rg2021-01-14 14:10:22 W(xu)(x) ҪͶ

          СW(xu)(yng)}}ʽ

          (do)ZСW(xu)(sh)W(xu)摪(yng)}yĆ}ȫλ˺ӵĔ(sh)W(xu)Լ(sh)W(xu)ļw˼SСҿY(ji)Ĕ(sh)W(xu)}ϣ!gӭxHP(gun)֪RՈP(gun)עCNFLAW(xu)(x)W(wng)ęĿ!

          x(yu)㷶:

          1wһ}

          xڽ}rһǶ(һ)ȻԆһ(bio)(zhn)ҪĔ(sh)@(yng)}wһ}

          (sh)P(gun)ϵ÷ݔ(sh)=1ݔ(sh)

          1ݔ(sh)×ռݔ(sh)=׷ݵĔ(sh)

          һ÷(÷ݔ(sh))=ݔ(sh)

          }˼·ͷһԆһ(bio)(zhn)ҪĔ(sh)

          1I5֧UPҪ0.6ԪXIͬӵUP16֧ҪX?

          (1)I1֧UPX?0.6÷5=0.12(Ԫ)

          (2)I16֧UPҪX?0.12×16=1.92(Ԫ)

          гɾCʽ0.6÷5×16=0.12×16=1.92(Ԫ)

          Ҫ1.92Ԫ

          23_C390@Ӌ5_C6ضٹ?

          (1)1_C1ضٹ?90÷3÷3=10()

          (2)5_C6ضٹ?10×5×6=300()

          гɾCʽ90÷3÷3×5×6=10×30=300()

          5_C6300핡

          35v܇4ο\100䓲ͬӵ7v܇\105䓲ģҪ\״?

          (1)1v܇1\ه䓲?100÷5÷4=5()

          (2)7v܇1\ه䓲?5×7=35()

          (3)105䓲7v܇Ҫ\״?105÷35=3()

          гɾCʽ105÷(100÷5÷4×7)=3()

          Ҫ\3

          2w}

          x}rҳ“(sh)”Ȼٸ(j)lĆ}Кw}^“(sh)”ָ؛ĿrСr()Ŀ׹ϵĿa(chn)СrеĿ·̵

          (sh)P(gun)ϵ1ݔ(sh)×ݔ(sh)=

          ÷1ݔ(sh)=ݔ(sh)

          ÷һݔ(sh)=һÿݔ(sh)

          }˼·ͷ(sh)ٸ(j)}óĔ(sh)

          1bSԭһ·ò3.2Müÿ·ò2.8ԭ791·IJF(xin)ڿ?

          (1)@ж?3.2×791=2531.2()

          (2)F(xin)ڿ?2531.2÷2.8=904()

          гɾCʽ3.2×791÷2.8=904()

          𣺬F(xin)ڿ904

          2СAÿx24퓕12xˡtrһСÿx36퓕x꡶tr?

          (1)tr@?24×12=288()

          (2)Сx꡶tr?288÷36=8()

          гɾCʽ24×12÷36=8()

          С8x꡶tr

          3ʳ\һ߲ԭӋÿ50ǧ30M@߲ˡ(j)ҵҊÿԭӋ10ǧˣ@߲˿ԳԶ?

          (1)@߲˹жǧ?50×30=1500(ǧ)

          (2)@߲˿ԳԶ?1500÷(50+10)=25()

          гɾCʽ50×30÷(50+10)=1500÷60=25()

          @߲˿Գ25

          3Ͳ}

          x֪ɂ(sh)ĺc@ɂ(sh)Ƕ@(yng)}кͲ}

          (sh)P(gun)ϵ(sh)=(+)÷2

          С(sh)=(-)÷2

          }˼·ͷε}Ŀֱùʽ;(f)s}Ŀ׃ͨùʽ

          1҃ɰ๲ЌW(xu)98ˣװҰ6ɰж?

          װ˔(sh)=(98+6)÷2=52()

          Ұ˔(sh)=(98-6)÷2=46()

          𣺼װ52ˣҰ46

          2LεL֮͌͞18LȌ2ףLε.e

          L=(18+2)÷2=10()

          =(18-2)÷2=8()

          Lεe=10×8=80(ƽ)

          Lεe80ƽ

          3мұ҃ɴ32ǧˣұɴ30ǧױɴ22ǧˣʸضǧ

          ҃ɴұɴпԿױȱ(32-30)=2ǧҼǴ(sh)С(sh)ɴ˿֪

          ״=(22+2)÷2=12(ǧ)

          =(22-2)÷2=10(ǧ)

          Ҵ=32-12=20(ǧ)

          𣺼״12ǧˣҴ20ǧ10ǧ

          4҃܇ԭbO97ļ܇ȡ14ŵ܇ϣY(ji)܇܇߀3܇ԭbOٿ?

          “ļ܇ȡ14ŵ܇Y(ji)܇܇߀3”@f܇Ǵ(sh)܇С(sh)cҵIJ(14×2+3)cҵĺ97˼܇(sh)=(97+14×2+3)÷2=64()

          ܇(sh)=97-64=33()

          𣺼܇ԭbO64܇ԭbO33

          4ͱ}

          x֪ɂ(sh)ĺͼ(sh)С(sh)Ďױ(С(sh)Ǵ(sh)Ď׷֮)Ҫ@ɂ(sh)Ƕ@(yng)}ͱ}

          (sh)P(gun)ϵ÷(ױ+1)=^СĔ(sh)

          -^СĔ(sh)=^Ĕ(sh)

          ^СĔ(sh)×ױ=^Ĕ(sh)

          }˼·ͷε}Ŀֱùʽ(f)s}Ŀ׃ͨùʽ

          1@ӘҘ乲248ҘĿÔ(sh)Ә3ӘҘٿ?

          (1)Әжٿ?248÷(3+1)=62()

          (2)Ҙжٿ?62×3=186()

          Ә62Ҙ186

          2|ɂ}칲Z480|Z(sh)Z(sh)1.4ɎZه?

          (1)Z(sh)=480÷(1.4+1)=200()

          (2)|Z(sh)=480-200=280()

          𣺖|Z280Z200

          3վԭ܇52vվԭ܇32vÿļվ_վ28vվ_վ24vվ܇v(sh)Ǽվ2?

          ÿļվ_վ28vվ_վ24vஔ(dng)ÿļվ_վ(28-24)vюԺվ܇v(sh)(dng)1@rվ܇v(sh)2վ܇v(sh)(52+32)ஔ(dng)(2+1)

          ôԺվ܇v(sh)pٞ

          (52+32)÷(2+1)=28(v)

          씵(sh)(52-28)÷(28-24)=6()

          6Ժվ܇v(sh)Ǽվ2

          4ұ(sh)֮170ұȼ׵24ȼ׵36(sh)Ƕ?

          ұɔ(sh)cה(sh)ֱP(gun)ϵ˰Ѽה(sh)1

          ұȼ׵24ԽoҼ4Ҕ(sh)׃ɼה(sh)2;

          ȼ׵36Ա(sh)pȥ6׃?yu)ה?sh)3;

          @r(170+4-6)ஔ(dng)(1+2+3)ô

          ה(sh)=(170+4-6)÷(1+2+3)=28

          Ҕ(sh)=28×2-4=52

          (sh)=28×3+6=90

          𣺼ה(sh)28Ҕ(sh)52(sh)90

          5}

          x֪ɂ(sh)IJ(sh)С(sh)Ďױ(С(sh)Ǵ(sh)Ď׷֮)Ҫ@ɂ(sh)Ƕ@(yng)}}

          (sh)P(gun)ϵɂ(sh)IJ÷(ױ-1)=^СĔ(sh)

          ^СĔ(sh)×ױ=^Ĕ(sh)

          }˼·ͷε}Ŀֱùʽ(f)s}Ŀ׃ͨùʽ

          1@ҘĿÔ(sh)Ә3ҘӘ124Ә䡢Ҙٿ?

          (1)Әжٿ?124÷(3-1)=62()

          (2)Ҙжٿ?62×3=186()

          𣺹@Ә62Ҙ186

          2ְֱȃӴ27qְֵgǃg4Ӷ˽Ƕٚq?

          (1)g=27÷(4-1)=9(q)

          (2)ְg=9×4=36(q)

          𣺸Ӷ˽gքe36q9q

          3̈ĸ{(jng)Ikӯӯ2߀12fԪ֪ӯӯ30fԪ@ɂӯǶfԪ?

          ӯ1t(30-12)fԪஔ(dng)ӯ(2-1)

          ӯ=(30-12)÷(2-1)=18(fԪ)

          ӯ=18+30=48(fԪ)

          ӯ18fԪӯ48fԪ

          4Z94С138ÿ\С׸9ʣµС3?

          ÿ\С׵Ĕ(sh)ʣµĔ(sh)ԭĔ(sh)(138-94)юʣµС1tʣµ׾3ô(138-94)ஔ(dng)(3-1)

          ʣµС(sh)=(138-94)÷(3-1)=22()

          \С(sh)=94-22=72()

          \Z씵(sh)=72÷9=8()

          8ԺʣµС3

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