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3.5乘以3.7加0.37乘以65用简便方法
人气:164 ℃ 时间:2019-11-15 21:46:24
解答
3.5乘以3.7加0.37乘以65
=3.5×3.7+0.37×65
=3.5×3.7+3.7×6.5
=3.7×(3.5+6.5)
=3.7×10
=37
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