,求x,y的值.
解:∵xy≠ 0,∴xy≠ 0,
∴l(xiāng)g(xy)=0,∴xy=1,······································································ 3分
即為{x,1,0}={0,|x|,y},若y=1,則x=1,不合題意,·························· 5分
····················································································· 7分
解得:(舍去),,······················································· 8
x=-1,y=-1.············································································· 9分
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