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4.37*0.55+456.3*0.055这道算式怎样简算
人气:437 ℃ 时间:2020-03-29 22:16:36
解答
4.37*0.55+456.3*0.055
=4.37*0.55+45.63*0.55
=(4.37+45.63*0.55)
=50*0.55
=27.5确定对?恩采纳吧
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