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5.32+2.06+19.4+1.84+7.68简便计算
人气:286 ℃ 时间:2020-05-19 00:44:46
解答
5.32+2.06+19.4+1.84+7.68
=5.32+7.68+2.06+1.84+19.4
=13+3.9+19.4=13+23.3=36.3
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