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2-6/13÷9/26-2/3 简便运算
人气:357 ℃ 时间:2020-02-26 08:34:52
解答
2-6/13÷9/26-2/3
=2-6/13×26/9-2/3
=2-4/3-2/3
=2-(4/3+2/3)
=2-2
=0
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