|x-y+2|=|x+y+2|怎么算?
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|x-y+2|=|x+y+2|怎么算?|x-y+2|=|x+y+2|怎么算?|x-y+2|=|x+y+2|怎么算?绝对值算出来肯定一样啊评分再解方便一点的画图吧、先画x-y+2的图、绝对值就把x轴下方
|x-y+2|=|x+y+2|怎么算?
|x-y+2|=|x+y+2|怎么算?
|x-y+2|=|x+y+2|怎么算?
绝对值算出来肯定一样啊
评分再解
方便一点的画图吧、先画x-y+2的图、绝对值就把x轴下方的图对称到上方、另一个函数同理、再算出交点就好了
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