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(8.62+1.3)×0.6如何简便运算
人气:272 ℃ 时间:2020-04-16 12:08:31
解答
(8.62+1.3)×0.6
=9.92×0.6
=10×0.6-0.08×0.6
=6-0.048
=5.952
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