(1996+1994+1992+……+6+4+2)-(1+3+5+……+1991+1993+1995)等于多少?

2024-12-23 03:17:00
推荐回答(2个)
回答1:

原式=(1996-1995)+(1994-1993)+……+(2-1)(共有[(1995-1)/2+1]=998项
=998

回答2:

=(1996-1995)+(1994-1993)+……+(2-1)(共有[(1995-1)/2+1]=998项
=998