计算:(2m+1/2)(4m-1)(4m∧2-1/4)-4m∧2(2m+1)(2m-1)
已知m>4,化简|m-4|+|7-2m|+|m×m-2m+1|-|m×m-2m-3|
计算2m+6/m²-4m+4·1/m+3·(m-2)(m+3)/m+3
(m+1)(m-1)(m-2)(m-4)
(1m+3m+5m+...+2009m)-(2m+4m+6m+...=2008m)
计算:(m+3m+5m+...+2009m)-(2m+4m+6m+...+2010m)
计算:(2m+1)(2m-1)-m·(3m-2) ;因式分解:n^2(m-2)+4(2-m)
m²-4m+4/m²-1÷m-2/m+1+2/m-1,其中m=2
已知m>4,化简:|m-4|+|7-2m|+|m^2-2m+1|-|m^2-2m-3|
化简,:3(m-1)^2+(m+2)(m^2-2m+4)-m(m^2+3m-3)
计算:1-m/2m-4除以(m+2+3/m-2)
计算:(2m+1/2)(4m-1)(4m∧2-1/4)-4m∧2(2m+1)(2m-1)
化简2[(m-1)m+m(m+1)]乘【(m-1)m-m(m+1))