二分之一加四分之一除以二分之一等于多少
二分之一加四分之一除以二分之一等于多少
数学人气:530 ℃时间:2019-08-21 22:02:45
优质解答
1/2+(1/4) ÷ (1/2)=1/2+1/4*2=1
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