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7.536×99+75.36×0.1的简便算法
人气:363 ℃ 时间:2020-04-21 05:08:50
解答
7.536×99+75.36×0.1
=75.36×9.9+75.36×0.1
=75.36×(9.9+0.1)
=75.36×10
=753.6
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