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5/2x-1/(x-3)=0,
5/2x=1/(x-3),.
2x=5(x-3),
2x=5x-15,
2x-5x=-15,
-3x=-15,
X=5,
左边=5/2x-1/(x-3)=5/10-1/(5-3)=1/2-1/2=0 ;
å³è¾¹= 0,
左边=å³è¾¹ï¼å³x=5æ¯æ¹ç¨ç解ã
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