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22.2*18.4+44.4*11.2-88.8*0.2
简便计算,*是乘号的意思.
人气:405 ℃ 时间:2019-10-19 00:03:27
解答
22.2*18.4+44.4*11.2-88.8*0.2
=22.2*18.4+22.2*22.4-22.2*0.8
=22.2*(18.4+22.4-0.8)
=22.2*40
=888
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