11/24除以(11/24+17/6)的简便运算、
人气:178 ℃ 时间:2019-12-24 11:42:18
解答
11/24*24/11+11/24*6/17=1+11/68=79/68确定?不确定,11/24/(11/24+68/24)=11/24/(79/24)=11/79
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