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简便运算:23/12-8/9×3/4-1/3
人气:477 ℃ 时间:2020-04-06 14:52:11
解答
23/12-8/9×3/4-1/3
=23/12-2/3-1/3
=23/12-(2/3+1/3)
=23/12-1
=11/12
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