math/问题/均贫富.md
2022-08-12 14:30:19 +08:00

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# 均贫富
```
明明:============================= 29
大力:========= 9
```
$自然数范围内有a>b且a-x=b+x求x。$
## 解法1
$\because a-x=b+x \Longrightarrow 2x=a-b$
$\therefore x=\frac{a-b}{2}$
## 解法2
$x=\frac{a+b}{2}-b$