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(8.2-3.36-1.64)x0.05怎么简算?
人气:209 ℃ 时间:2020-04-03 13:26:45
解答
(8.2-3.36-1.64)x0.05
=[8.2-(3.36+1.64)]x0.05
=[8.2-5]x0.05
=3.2x0.05
=0.16
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