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0.32×0.8竖式计算

0.32 x 0.8 ----------- 0.256

如图

0.832+0.718=1.55, 0.832+0.718 1.550;11.07-0.89=10.18, 11.07?0.8910.18;10-0.52=9.48. 10.00?0.52 9.48.

0.03÷0.8 = 0.0375能除得尽,得到4位小数:

3.6×0.8竖式计算 3.6×0.8=2.88

3.205 × 0.8 = 2.564 竖式见图:

20.8÷0.32 =2080÷32 =65 竖式见图:

被除数和除数同时扩大100倍,变式为32÷40再去列出竖式,这是根据除法的意义做的.

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