2-(2m+1)/3=(5m-1)/6

m*m-5m-1=0则2m*m-5m+1/m*m (m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)= m-2m-3m+4m-5m-6m+7m.2004m=? (m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=? m^2+m-6/m^2+2m+1÷m+3/m^+m·m^2-1/2-m 其中m=-1/2 (1m+3m+5m+...+2009m)-(2m+4m+6m+...=2008m)guo cheng (bu zhou) 式子m(m=1)(m+2)(m+3)(m+4)(m+5)(m+6)...(m+20)/20!可表示为组合问题解的详细点啊 (m+3m+5m+7m+.+2009m)-(2m-4m-6m-.-2008m)=? 当m=1/2时,求15m²-9-{-4m²+[5m-8m²-(2m²-m)+9m²]-3m} [(m-3)/(m+5)]^2+[(4-2m)/(m+5)]^2=1,求m 当m= 时,2m(3m-5)+3m(1-2m)=14 先化简 再求值（3+m)(3-m)+m(m-6)-7,其中m=1/2 化简|6-m|-|2m+1|+|m+5| (m 计算(m+3m+5m……+2009m)—(2m+4m+6m+2008m)= 计算：（m+3m+5m+…+2015m）-(2m+4m+6m+…+2014m)= 计算（m+3m+5m+.+2009m)-(2m+4m+6m+.+2010m)=多少 (m+3m+5m+...+2011m)-(2m+4m+6m+...+2012m)=多少 计算：(m+3m+5m+…+2011m)-(2m+4m+6m+…+2010m)=