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27.3x25x0.4简便计算

25X4=|0O 25x0.4=|0 10x27.3=273 |25X8=|000,25X4=|00应记住

25.25x0.4 =(25+0.25)x0.4 =25x0.4+0.25x0.4 =10+0.1 =10.1 祝天天向上。

 16x(25x0.4)

25.25x0.4 =25x0.4+0.25x0.4 =10+0.1 =10.1

(25×47)×4 =25×47×4 =25×4×47 =100×47 =4700

原式=25X0.4+25x4=0.4X5X5+4X5X5=10+100=110 望采纳。

4.25×0.4+0.03 =4×0.4+0.25×0.4+0.03 =1.6+0.1+0.03 =1.73

0.4乘3.37乘25怎样简便计算? 0.4乘3.37乘25 =0.4*25*3.37 =10*3.37 =33.7

25×27×4 =25×4×27 =100×27 =2700

250÷25×4 =10*4 =40

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