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6.25X1.6-2.7 简便计算

6.25X1.6-2.7 简便计算 =2.5x2.5x0.4x4-2.7 =1x10-2...

6.25x10-6.25x0.6 =62.5-6.25X2X0.3 =62.5-12.5X0.3...

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

6.25x(0.8x4)简便计算 6.25x(0.8x4) =6.25*0.8*4 =5*4 ...

6.25x8.4+37.5x0.84简便计算 =6.25x8.4+3.75x8.4 =(6.25...

6.25×4.5+4.5×3.75 =(6.25+3.75)×4.5 =10×4.5 =45 你好,...

6.25+6.25x99的简便运算 =6.25×(1+99) =6.25×100 =625

6.25×4.5+5.5=6.25x4.5+4.5+1=4.5(6.25+1)+1=32.625+3...

解:原式=5.6x37.5+5.6x62.5 =5.6x(37.5+62.5) =5.6x100 =...

6.25x3.2 =6.25x2x2x0.8 =12.5x2x0.8 =25x0.8 =20

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