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用乘法分配律简算：8.88×9+777×0.04
人气：432 ℃　时间：2020-03-27 15:27:26
解答
8.88×9+777×0.04
=1.11x8x9+1.11x700x0.04
=1.11x72+1.11 x28
=1.11x(72+28)
=1.11x100
=111
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