问题标题:
用乘法分配律简算:8.88×9+777×0.04
问题描述:
用乘法分配律简算:8.88×9+777×0.04
陈淼波回答:
8.88×9+777×0.04
=1.11x8x9+1.11x700x0.04
=1.11x72+1.11x28
=1.11x(72+28)
=1.11x100
=111
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