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计算:20.11×37-201.1×1.9+2011×0.82=
人气:472 ℃ 时间:2020-03-27 17:35:37
解答
20.11×37-201.1×1.9+2011×0.82
=2011×0.37-2011×0.19++2011×0.82
=2011×(0.37-0.19+0.82)
=2011×1
=2011.
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