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25x18x32x计算225脱式

25x18x32x225 =25×18×4×2×4×25×9 =(25×4)×(25×4)×(18×2×9) =100×100×324 =3240000 希望对你有帮助!

32x2.5x1.25脱式计算 =8x4x2.5x1.25 =(8x1.25)x(4x2.5) =10x10 =100

32X0.25X1.25脱式计算 32X0.25X1.25 =(0.25*4)*(1.25*8) =1*10 =10

原式=32x2+32x12 =32x(2+12) =32x14 =(30+2)x14 =30x14+2x14 =420+28 =448

32X18一28x11 =576-308 =268

125×32×25 =125×8×4×25 =(125×8)×(4×25) =1000×100 =100000

解:32X168一279 =(30十2)X168一279 =5040十336一279 =5376一280十1 =5096十1 =5097

32x0.25x12.5x0.2x5 =(4x0.25)x(8x12.5)x(0.2x5) =1x100x1 =100

解:32X18一18X18 =18X(32一18) =18X(14十18一18) =18X14 =(20一2)X14 =280一28 =252十28一28 =252

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