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123乘322加333分之456加123乘321的简便计算
人气:132 ℃ 时间:2019-10-11 16:29:26
解答
(123乘322加333)分之(456加123乘321)
=(123乘321+123加333)分之(456加123乘321)
=(123乘321加456)分之(456加123乘321)
=1
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