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3.21*5.301+5.79*5.301+5.301简便计算
人气:418 ℃ 时间:2020-02-04 06:27:11
解答
3.21*5.301+5.79*5.301+5.301
=5.301*(3.21+5.79+1)
=5.301*10
=53.01
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