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4.28*5.3+0.572*53简算
人气:363 ℃ 时间:2020-06-28 07:58:53
解答
4.28*5.3+0.572*53
=4.28*5.3+5.72*5.3
=5.3(4.28+5.72)
=5.3*10
=53
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