(5/6+33*1/22-1/2)*/13(简算)
(5/6+33*1/22-1/2)*9/13
人气:261 ℃ 时间:2020-01-25 11:28:57
解答
(5/6+33*1/22-1/2)/13
=(5/6+33/22-1/2)/13
=(5/6+3/2-1/2)/13
=(5/6+1)/13
=(11/6)/13
=11/78
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