(1/4+1/6-1/2)除以(-1/12)等于多少?
(1/4+1/6-1/2)除以(-1/12)等于多少?
数学人气:632 ℃时间:2020-02-01 06:11:35
优质解答
﹙1/4+1/6-1/2﹚÷﹙﹣1/12﹚
=1/4÷﹙﹣1/12﹚+1/6÷﹙﹣1/12﹚ -1/2÷﹙﹣1/12﹚
= -1/4×12 -1/6×12 +1/2×12
= -3 -2 +6
= 1
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