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7.8÷0.25的竖式

解:7.8÷0.25=(7.8x100)÷(0.25x100)=780÷25=31.2 竖式计算如下:

7.8÷0.25=31.2 竖式如下:

7.8除以0.25 =(8-0.2)*4 =32-0.8 =31.2

32.5

先用7.8*4和0.25*4,再除就简单很多了.

7.8除以0.25乘以8=7.8乘以4乘以8=7.8*32=249.6

7.8÷0.25*8=7.8*4*8=31.2*8=249.6

30

简便计算7.8÷0.25不用*87.8÷0.25=(7.8*4)÷(0.25*4)=31.2÷1=31.2

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