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(﹣1/24)÷(﹣1/4+1/6-1/12)要简算过程
人气:450 ℃ 时间:2020-04-29 18:38:41
解答
(﹣1/24)÷(﹣1/4+1/6-1/12)
=(-1/24)÷(-3/12-1/12+2/12)
=(-1/24)÷(-1/6)
=(-1/24)×(-6)
=1/24×6
=1/4
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