1.计算a的绝对值分之a减a分之a的绝对值( a小于0)2.|3-派|=?3.当A大于0时,|A-2|-3的值是?
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![1.计算a的绝对值分之a减a分之a的绝对值( a小于0)2.|3-派|=?3.当A大于0时,|A-2|-3的值是?](/uploads/image/z/5911279-7-9.jpg?t=1.%E8%AE%A1%E7%AE%97a%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E5%88%86%E4%B9%8Ba%E5%87%8Fa%E5%88%86%E4%B9%8Ba%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%28+a%E5%B0%8F%E4%BA%8E0%292.%7C3-%E6%B4%BE%7C%3D%3F3.%E5%BD%93A%E5%A4%A7%E4%BA%8E0%E6%97%B6%2C%7CA-2%7C-3%E7%9A%84%E5%80%BC%E6%98%AF%3F)
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