先化简再求值,3-m/2m-4÷(m+2-5/m-2)m=√2-3
先化简再求值,3-m/2m-4÷(m+2-5/m-2)m=√2-3
先化简再求值(m²+3m)(m-3)-m(m-2)²,其中m=-2
先化简再求值,m-3/3m-6m÷(m+2-5/m-2)
先化简再求值m^2(m+3)+2m(m^2-1)-(m^4+m^3-m^2)/1/3m其中m等于2013
化简求值m^2(m+4)+2m(m^2 -1)-3m^3,其中m=2/5
(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)