(1/2012-1)*(1/2011-1)*(1/2010-1)*……*(1/1001-1)*(1/1000-1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 07:04:46
x){PHN-k >jXDQCdE@.DMR>
L/kLl@ ^q
(2012-1/2012)除以2011/2012
(2012+1/2011)/(2011+1/2012)+(2010+1/2011)/(2011+1/2010)的简便方法
2011*2012-1分之2011+2012*2010
(1/2012-1)*(1/2011-1)*(1/2010-1).*(1/1000-1)
1/2012+2/2012+.+2011/2012 =
2011/2011*2011/2012+1/2013=?
[(2012^2-2011*2012)/(2011^2-2010*2011)-1]*2011
(1-1/2009+1/2010+1/2011) ×(1/2009+1/2010+1/2011+1/2012)-(1+1/2009+1/2010+1/2011+1/2012)×(1/2009+1/2010+1/2011)=?
(1-1/2009+1/2010+1/2011) ×(1/2009+1/2010+1/2011+1/2012)-(1+1/2009+1/2010+1/2011+1/2012)×(1/2009+1/2010+1/2011)=?
1/2012+2/2012+3/2012+...+2011/2012+2012/2012=()
|1/2014-1/2013|+|1/2013-1/2012|+|1/2012+1/2011|-|1/2011-1/2014|
|1/2014-1/2013|+|1/2013-1/2012|+|1/2012+1/2011|-|1/2011-1/2014|
利用乘法公式计算:2012²-2011²/(2011+1)(2011-1)-2011²
计算:(1/2012-1)×(1/2011-1)×(1/2010-1)×(1/2009-1)×...×(1/2011-1)×(1/2000-1)
2012/1+2012/2+2012/3+...2012/2010+2012/2011
计算:1/2+1/6+1/12+1/20+1/30+...+1/(2010*2011)+1/(2011*2012)
(1/2013-1)(1/2012-1)(1/2011-1)…(1/3-1)(1/2-1)=
2010*2012*(1/2010*2011+1/2011*2012)