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36×38+64×25简便方法怎么算

36×38+37×64 =36x(37+1)+37x64 =37x36+36x1+37x64 =37x(36+64)+36 =37x100+36 =3700+36 =3736 希望能帮到你!

64×38+38+38简便运算 =38×(64+1+1) =38×66 =2508

64×38+35×38 =38x(64+35) =38x(100-1) =3800-38 =3762

39×38+64×39-39×2 =39×38+39x64-39×2 =39x(38+64-2) =39x(102-2) =39x100 =3900

=64×(38+68-6) =64×100 =6400

48×38+64×38-38×2的简便计算 =(48+64-2)x38 =(100+10)x38 =100x38+10x38 =3800+380 =4180

64x38+35x38+38简便计算? 64x38+35x38+38 =(64+35+1)x38 =100x38 =3800

148×125 =37×(4×125) =37×500 =18500 36+75+64+125 =(36+64)+(75+25) =100+100 =200 64×38+35×38+38 =(64+35+1)×38 =100×38 =3800 45×76-76×35 =(45-35)×76 =10×76 =760

54×38+54×64-2×54 =54X(38+64-2) =54X100 =5400

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