(1/2008-1)(1/2007-1)(1/2006-1)……(1/1001-1)(1/1000-1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 11:58:26
x){PBNg=jXD`1CC
̳I*ҧv6ݍ m5tA&Bئ`44tAF,--hB A&$ف| Ӡ
(1/2008-1)(1/2007-1)(1/2006-1)……(1/1001-1)(1/1000-1)
(1/2008-1)(1/2007-1)(1/2006-1)……(1/1001-1)(1/1000-1)
(1/2008-1)(1/2007-1)(1/2006-1)……(1/1001-1)(1/1000-1)
(1/2008-1)(1/2007-1)(1/2006-1)……(1/1001-1)(1/1000-1)
=(-2007/2008)(-2006/2007)(-2005/2006)...(-1000/1001)(-999/1000)
=-999/2008
(2007+2008*2006分之2007*2008-1)+2007
简算:(2009+1/2007)*1/2008
计算|1/2009-1/2008|+|1/2008-1/2007|-|1/2009-1/2007|=( )
(1-1/2008)+(2-1/2008*2)+(3-1/2008*3)+...+(2007-1/2008*2007)+2008-1/2008*2008)
√(2005*2006*2007*2008+1)
(-2/1)^2007+(-2/1)^2008=() (-2/1)^2007+(-2/1)^2008=()
(1+2007分之1+2008分之1)×(2007分之1+2008分之1+2009分之1)-(1+2007分之1+2008分之1+2009分之1)×(2007分之1+2008分之1)
(1+2007/1+2008/1)*(2007/1+2008/1+2009/1)-(1+2007/1+2008/1+2009/1)*(2007/1+2008/1)简算过程
(1-2/1)*(1-3/1)*(1-4/1)*.*(1-2007/1)*(1-2008/1)
(1-1/2^)(1-1/3^)……(1-1/2007^)(1-1/2008^)
(1/2008-1)*(1/2007-1)*(2006-1).(1/1001-1)*(1/1000-1)
计算:2006*2008*[1÷(2006*2007)+1÷(2007*2008)]
(1/2009-1)*(1/2008-1)*(1/2007-1)……(1/3-1)*(1/2-1))
(1-1/2+1/3-1/4+1/5-…+1/2007-1/2008)除以(1/1005+1/1006+…1/2007+1/2008)=?急
2007÷2007又2008分之2007×2009+2008分之1 (简算)
(2009+2007分之1)*2008分之1
(2009+2007分之1)*2008分之1
2006/(2006+2006/2007)+1/2006+1/2008