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11分之6*4分之3+0.75*11分之5用简便方法
人气:446 ℃ 时间:2020-01-30 03:39:42
解答
(6/11)*(3/4)+0.75*(5/11)
=(6/11)*0.75+0.75*(5/11)
=0.75*(6/11+5/11)
=0.75*(11/11)
=0.75
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