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怎样简便计算0.6666*0.8 0.1111*5.2
人气:320 ℃ 时间:2020-05-12 04:49:53
解答
0.6666*0.8=0.1111*6*0.8=1111*48/100000=53328/100000=0.533328
0.1111*5.2=1111*52/100000=57772/100000=0.57772
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