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37.2乘以0.56+3.72乘以4.4用简便计算咋算?
人气:370 ℃ 时间:2020-02-02 13:33:13
解答
37.2*0.56+3.72*4.4
=3.72*5.6+3.72*4.4
=3.72*(5.6+4.4)
=3.72*10
=37.2
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