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8.56+0.44×20÷32的简便算法
人气:379 ℃ 时间:2020-02-04 03:36:34
解答
8.56+0.44x20÷32
=8.56+(0.4+0.04)x20÷32
=8.56+(8+0.8)÷32
=8.56+0.25+0.025
=8.835
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