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数学
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45×2.08+1.5×37.6简便计算
要简便计算哟
人气:177 ℃ 时间:2020-04-23 07:21:00
解答
45*2.08+1.5*37.6
=3*3*5*2.08+3*0.5*37.6
=3*3*10.4+3*18.8
=3*(31.2+18.8)
=150
不知道这算不算简便,这么写你更容易懂.
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