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(1-4/9)×5/16÷5/6 用简便方法计算
人气:424 ℃ 时间:2020-06-08 00:23:52
解答
(1-4/9)×5/16÷5/6
= 5/9×5/16÷5/6
= 5/9×(5/16×6/5)
= 5/9×6/16
=5/24
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