题目内容

【题目】计算下面各题,能简算的要简算.

12.16÷0.9÷8 21.6×0.5×1.25 3201×0.75

【答案】10.3;(21;(3150.75

【解析】

12.16÷0.9÷8

=2.4÷8

=0.3

21.6×0.5×1.25

=2×0.5×0.8×1.25

=1×1

=1

3201×0.75

=200+1×0.75

=200×0.75+1×0.75

=150+0.75

=150.75

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