判断函数的奇偶性题目判断下列函数的奇偶性f(x)= │x-2│-│x+2│书上的解析是这样的函数的定义域为实数集R,关于原点对称.因为f(-x)= │-x-2│-│-x+2│=│x+2│-│x-2│=-(│x-2│-│x+2│)= -f(x),
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![判断函数的奇偶性题目判断下列函数的奇偶性f(x)= │x-2│-│x+2│书上的解析是这样的函数的定义域为实数集R,关于原点对称.因为f(-x)= │-x-2│-│-x+2│=│x+2│-│x-2│=-(│x-2│-│x+2│)= -f(x),](/uploads/image/z/618208-16-8.jpg?t=%E5%88%A4%E6%96%AD%E5%87%BD%E6%95%B0%E7%9A%84%E5%A5%87%E5%81%B6%E6%80%A7%E9%A2%98%E7%9B%AE%E5%88%A4%E6%96%AD%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0%E7%9A%84%E5%A5%87%E5%81%B6%E6%80%A7f%28x%29%3D+%E2%94%82x-2%E2%94%82-%E2%94%82x%2B2%E2%94%82%E4%B9%A6%E4%B8%8A%E7%9A%84%E8%A7%A3%E6%9E%90%E6%98%AF%E8%BF%99%E6%A0%B7%E7%9A%84%E5%87%BD%E6%95%B0%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BA%E5%AE%9E%E6%95%B0%E9%9B%86R%2C%E5%85%B3%E4%BA%8E%E5%8E%9F%E7%82%B9%E5%AF%B9%E7%A7%B0.%E5%9B%A0%E4%B8%BAf%28-x%29%3D+%E2%94%82-x-2%E2%94%82-%E2%94%82-x%2B2%E2%94%82%3D%E2%94%82x%2B2%E2%94%82-%E2%94%82x-2%E2%94%82%3D-%28%E2%94%82x-2%E2%94%82-%E2%94%82x%2B2%E2%94%82%29%3D+-f%28x%29%2C)
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