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82问答网 > 8⼀9+3⼀10-5⼀9+17⼀10等于几分之几需要简便计算过程！

8⼀9+3⼀10-5⼀9+17⼀10等于几分之几需要简便计算过程！

8/9+3/10-5/9+17/10等于几分之几需要简便计算过程！

2025-03-15 07:52:31

推荐回答（4个）

回答1：

简便运算用到加法的交换定律，详细步骤如下:

8/9+3/10-5/9+17/10
=8/9-5/9+3/10+17/10
=3/9+20/10
=1/3+2
=7/3

回答2：

原式=8/9-5/9+3/10+17/10
=1/3+2
=2又1/3

回答3：

原式=(8/9 - 5/9) + (3/10 + 17/10)
=(8-5)/9 + (3+17)/10
=3/9 + 20/10
=1/3 + 2
=2又1/3

回答4：

8/9+3/10—5/9+17/10
=8/9—5/9+3/10+17/10
=3/9+20/10
=1/3+1
=1又3分之一

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