12346二次方-12345*12347分之24960

分类: 作业答案 • 2021-12-19 15:16:15

问题描述：

答

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

答

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