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赵鑫 2022-08-16 13:31:36 +08:00
parent 9397dfae8b
commit 67c49e148b

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@ -7,7 +7,7 @@
问:明明给小强几张邮票后两个人的邮票就一样多了? 问:明明给小强几张邮票后两个人的邮票就一样多了?
``` ```
\[a - x = b + x \qaud (a \in \Bbb{N}, b \in \Bbb{N}, a>b) \] $$ a - x = b + x \qaud (a \in \Bbb{N}, b \in \Bbb{N}, a>b) $$
## 解法1 ## 解法1
@ -15,4 +15,6 @@ $ \begin{aligned} 2x &= a - b &(移项并交换等式两侧) \newline x &=\frac
## 解法2 ## 解法2
$ x = \frac{a+b}{2} - b $ $$ x = \frac{a+b}{2} - b $$
\(x = \frac{a+b}{2} - b \)