18又七分之5-(8又7分之5-1又4分之3)
18又七分之5-(8又7分之5-1又4分之3)
数学人气:153 ℃时间:2020-03-25 22:03:44
优质解答
18又七分之5-(8又7分之5-1又4分之3)=10+1又4分之3=11又4分之3
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