m>-2,m
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m>-2,mm>-2,mm>-2,m因为m>-2,m所以m+2＞01-m＜0lm+2l-l1-ml=m+2-(1-m)=m+2-1+m=2m+1祝学习进步,望采纳~~lm+2l-l1-ml=m+2-(
m>-2,m
m>-2,m<-1,化简lm=2l-l1-ml
m>-2,m
因为m>-2,m<-1
所以m+2＞0
1-m＜0
lm+2l-l1-ml
=m+2-(1-m)
=m+2-1+m
=2m+1
祝学习进步,望采纳~~
lm+2l-l1-ml
=m+2-(1-m)
=m+2-1+m
=2m+1
m=2? 题出错了吧
|M-2|-|1-m|=-m+2-1+m=1
化简并求值 m*m*m-2m*m+m除以m*m*m-m 其中m=2011
m^2+2m
化简m*m^2*m+m^2*m-m^2*m^2-m^3.
2m＜m
m^2-12m
m>-2,m
计算：（m+3m+5m+...+2009m)-(2m+4m+6m+...+2008m)
(m+3m+5m+...+2009m)-(2m+4m+6m+...2008m)
(m+3m+5m+...+2014m)-(2m+4m+6m+...+2013m)
(m+3m+5m+...+2013m)-(2m+4m+6m+...+2012m)
(m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)=
计算:(m+3m+5m+...+2009m)-(2m+4m+6m+...+2010m)
m-2m-3m+4m-5m-6m+7m.2004m=?
(m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=?
已知m*m+m-1=0,求m*m*m+2m*m-2005
m*m-5m-1=0则2m*m-5m+1/m*m
化简(m*m-2m)/(4-m*m)
m-2m-3m+4m-5m-6m+7m-8m-9m+...+2002m-2003m-2004m求m的值