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(44332-443.2)/(88664-886.64)的简便方法
人气:110 ℃ 时间:2020-05-01 20:01:11
解答
(44332-443.32)÷(88664-886.64)
=(44332-443.32)÷[(44332-443.32)×2]
=(44332-443.32)÷(44332-443.32)÷2
=1÷2
=0.5
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