12346二次方-12345*12347分之24960

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12346二次方-12345*12347分之24960
12346二次方-12345*12347分之24960

12346二次方-12345*12347分之24960
24960/(12346^2-12345*12347)
=24960/[12346^2-12346^2+1]
=24960/1
=24960

24960/[(12346^2-12345*12347)]
=24690/[12346^2-(12346-1)*(12346+1)]
=24690/1
=24690