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数学
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4.8*0.9+4.8/10,怎样简算?
人气:249 ℃ 时间:2020-04-21 08:12:12
解答
4.8*0.9+4.8/10
=4.8*0.9+4.8*0.1
=4.8*(0.9+0.1)
=4.8*1
=4.8
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