(1+1/2004+1/2006+1/2008)*(1/2004+1/2006+1/2008+1/2010)-(1+1/
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/15 13:31:48
(1+1/2004+1/2006+1/2008)*(1/2004+1/2006+1/2008+1/2010)-(1+1/2004+1/2006+1/2008+1/2010)*(1/)
(1+1/2004+1/2006+1/2008)*(1/2004+1/2006+1/2008+1/2010)-(1+1/2004+1/2006+1/2008+1/2010)*(1/2004+1/2006+1/2008)
求简算
(1+1/2004+1/2006+1/2008)*(1/2004+1/2006+1/2008+1/2010)-(1+1/2004+1/2006+1/2008+1/2010)*(1/2004+1/2006+1/2008)
求简算
![(1+1/2004+1/2006+1/2008)*(1/2004+1/2006+1/2008+1/2010)-(1+1/](/uploads/image/z/17839330-34-0.jpg?t=%EF%BC%881%2B1%2F2004%2B1%2F2006%2B1%2F2008%EF%BC%89%2A%EF%BC%881%2F2004%2B1%2F2006%2B1%2F2008%2B1%2F2010%EF%BC%89-%EF%BC%881%2B1%2F)
设1/2004+1/2006+1/2008=A
=(1+A)*(A+1/2010)-(1+A+1/2010)*A
=(1+A)*(A+1/2010)-(A+2011/2010)*A
=(A平方+2011/2010A+1/2010)-(2011/2010A+A平方)
=1/2010
=(1+A)*(A+1/2010)-(1+A+1/2010)*A
=(1+A)*(A+1/2010)-(A+2011/2010)*A
=(A平方+2011/2010A+1/2010)-(2011/2010A+A平方)
=1/2010
(1+1/2002+1/2004+1/2006)X(1/2002+1/2004+1/2006+1/2008)X(1/20
1/2004*2005+1/2005*2006+1/2006*2007+1/2007*2008+1/2008用简便
2008*2007-2007*2006+2006*2005-2005*2004+.+2*1
求1/(1/2001+1/2002+1/2003+1/2004+1/2005+1/2006+1/2007+1/2008+
求1除以(1/2001+1/2002+1/2003+1/2004+1/2005+1/2006+1/2007+1/2008
2004*2005分之1+2005*2006分之1+2006*2007分之1+2007*2008分之1+2008分之1
1/2*4+1/6*8+.1/2006*2008+1/4*6+1/8+10.+1/2004*2006
1/2×4+1/6×8+.1/2006×2008+1/4×6+1/8×10+.+1/2004×2006
在下列数中第2998个是啥?2008,2007,1,2006,2005,1,2004,2003,1.2,1,1
√2005*2006*2007*2008+1-2004*2009
1+(-2)+3+(-4)+...2003+(-2004)+2005+(-2006)+2007+(-2008)
计算:(2+1/2003+1/2004+1/2005)*(1/2003+1/2004+1/2005+1/2006)—(2