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(7/24)+(11/18)-(2/9)*18【简便运算】
注；(7/24)是二十四分之七),*是乘
(7/24+11/18-2/9)*18【算式是这样的】简便运算脱式
人气：148 ℃ 时间：2020-04-13 12:08:53
解答
(7/24+11/18-2/9)*18
=21/4+11-4
=21/4+7
=49/4
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