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五年级下册三个异分母分数加减计算题

2025-03-16 02:40:26

推荐回答（3个）

回答1：

5分之2+4分之3-3分之2
8分之7-5分之4+7分之1
9分之7-3分之2+12分之5

回答2：

5/9＋9/8＝1/8＋7/8＝19/24－13/24＝19/36＋3/36＝3/7＋4/7＝11/8－1/8＝1/4－1/9＝12/13－3/13＝8/9＋4/11＋1/9＝1－1/6－1/6＝3/4＋1/4＋1/4＝7/8－3/8＋3/8＝5/6＋7/9＋3/8=5/8－2/5＋1/4=14/15－(2/3－1/5)=19/20＋(4/5－7/40)=7/6－(7/10－1/3)=11/8－（2/3－1/4）=(4＋2/7）－(9/14＋1/2)=13/6－(3/4－5/12＋1/3)=3/4+1/5=3/4-1/5=5/6+2/9=5/6-2/9=2/3+3/5=2/3-3/5=6/7+1/2=6/7-1/2=2/3+1/6=1/3+1/4=

回答3：

你的题呢？是出题吗？

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