(2m-3)+m-(3m-2)
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(2m-3)+m-(3m-2)(2m-3)+m-(3m-2)(2m-3)+m-(3m-2)
(2m-3)+m-(3m-2)
(2m-3)+m-(3m-2)
(2m-3)+m-(3m-2)
{[(1.5m+1.8m)×2+(4.5m×2m)]×(3.6m-0.15m)-0.8m×2m-1.5m×0.5m-1.0m×0.5m}×4间×3层+[(4.827m×2+2.4m×2m)×(3.6m-0.15m)-1.0m×2.1m×2面-1.0m×2.1m-1.2m×0.6m-1.2m×1.8m]×2层 +(6.387m+4.435m+6m+2.247m+2.247m×2+1.2m×2+3m×2)×(3.6m-0.15m)-1.2
计算:(m+3m+5m+…+2015m)-(2m+4m+6m+…+2014m)=
计算:(2m*7m*3m)/(-42)m.(m为正整数)m是次方
计算:(m+3m+5m+.+2009m)-(2m+4m+6m+.+2008)帮帮忙呀!
因式分解:(m+n)^3+2m(m+n)^2+m^2(m+n)
先化简再求值,m-3/3m-6m÷(m+2-5/m-2)
(m^3+4m^2+4m)/(m^2-4m)约分
2^m*7^m*3^m / (-42)^m (m为奇数)咋做啊
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)=?
(2m-3)+m-(3m-2)
(—2m-3m)(3n-2m)