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10/9-(0.41+0.35÷7/5)用递等式计算(怎么简便就怎么算).
人气:432 ℃ 时间:2020-02-05 00:32:42
解答
10/9-(0.41+0.35÷7/5)
=10/9-(0.41+0.35×5/7)
=10/9-(0.41+0.49)
=0.9-0.9
=0
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