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2.5*30*6.25=?的简便运算方法

列式解之, (2.5×2×6.25×30)÷2 =(31.25×30)÷2 =93.7÷2 =46....

6.25÷( 6.25×4 )的和用简便方法计算 解: 6.25÷( 6.25×4 ) =...

6.25×32×2.5的简便运算 =6.25x8x4x2.5 =50x(4x2.5) =50x10 ...

6.25×0.75+0.625×2.5 =6.25×0.75+6.25×0.25 =6.25×(...

6.25/6.25/2.5=1/2.5=0.4

6.25÷1.25 =(6.25×8)÷(1.25×8) =50÷10 =5

6.25乘3.2 =2.5×2.5×4×4×0.2 =10×10×0.2 =20

6.25 x 32 x 75 =(6.25 x 4 ) x 8 x 75 =25 x 8 x 7...

6.25X1.02 =6.25X(1+0.02) =6.25X1+6.25X0.02. =6....

8.25-(6.25-0.66) =8.25-6.25+0.66 =2+0.66 =2.66

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