大师作文网(1.6m*1m)*2+(1.3m*1m)*2+1.6m*1.3m= 多少面积?
(1.6m*1m)*2+(1.3m*1m)*2+1.6m*1.3m= 多少面积?
化简2[（m-1)m+m(m+1)]乘【(m-1)m-m(m+1))
m²-m-1=2 m等于多少?
(1m+3m+5m+...+2009m)-(2m+4m+6m+...=2008m)
化简：2{（m-1)m+m(m+1)}{(m-1)m-m(m+1)}.若m是任意整数.
已知m＞4,化简|m-4|+|7-2m|+|m×m-2m+1|-|m×m-2m-3|
化简并求值 m*m*m-2m*m+m除以m*m*m-m 其中m=2011
化简：|m|+|m-1|+|m-2|．
计算（m+3m+5m+.+2009m)-(2m+4m+6m+.+2010m)=多少
(m+3m+5m+...+2011m)-(2m+4m+6m+...+2012m)=多少
化简求值1.3（m+1)^2-5(m+1)(m-1)+2m(m-1),其中m＝5
(m-1)(m一2)(m-3)等于多少?