191问答库 > 3分之2+（5分之3-2分之1）简便计算

3分之2+（5分之3-2分之1）简便计算

2025-03-16 00:31:45
推荐回答（5个）
回答1：

5/6 -3/4 +2/3
=10/12-9/12
+8/12
=9/12=3/4

3/8+1/2-1/4
=3/8+4/8-2/8
=5/8

2/3+ (3/5-1/2)
=2/3-1/2+3/5
=4/6-3/6+3/5
=1/6+3/5
=5/30+18/30
=23/30
请采纳答案，支持我一下。

回答2：

30分之23

回答3：

最简便 全部通分成30分之多少

回答4：

嘟嘟嘟 我知道 就不告诉你

回答5：

求采纳

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