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