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判斷奇函數與偶函數的方法及步驟:1、定義域都關於原點對稱是前提.否則,如果定義域不是關於原點對稱,則此函數既不是奇函數又不是偶函數.2、判斷定義域關於原點對稱後,看是否滿足以下式子:奇函數:f(x)=-f(-x)偶函…
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