当m>3时,|3-4m|-|2-3m|化简得
当m>3时,|3-4m|-|2-3m|化简得
1.当3≤m〈5时,化简|2m-10|-|m-3|得____
当m= 时,2m(3m-5)+3m(1-2m)=14
化简求值:[(3m/(m+2)-m/(m-2)]/[(2m)/m^2-4)],其中m=2/3
(m+3m+5m+.+2008m)-(2m+4m+6m+.+2009m)
(m+3m+5m+...+2009m)-(2m+4m+6m+...2008m)
m-2m-3m+4m-5m-6m+7m.2004m=?
计算:(m+3m+5m+...+2009m)-(2m+4m+6m+...+2010m)
(m+3m+5m+...+2013m)-(2m+4m+6m+...+2012m)
(m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=?
(m+3m+5m+...+2014m)-(2m+4m+6m+...+2013m)
(m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)=