(-2m+1)(3m-2) .
计算:(m+3m+5m+…+2015m)-(2m+4m+6m+…+2014m)=
(m²-2m+1/m²-1+m²-m/m)÷(1+m/2,其中m=-3)
3(m+1)^2-5(m+1)+2(m-1)^2其中m=-5
(m-1/3-m-1)÷m-2/2m-2等于多少?
3(m+1)²-5(m+1)(m-1)+2(m-1)² 计算
3(m-1)²+(m+2)(m²-2m+4)-m(m²+3m-3)
若M等于它的倒数,求(m^2+m-6/m-2)除以(m+3/m^2-3m+1)
若(2+根号3)^^m=1,求m²-1/m+1-m²-m/根号m²-2m+1的值
已知m属于R,复数z=m(m-2)/m-1+(m平方+2m-3)i,当m为何值时
化简求值(m+2/m²-2m)-(m-1/m²-4m+4)÷(m-1/m) 其中m=4
已知m>4,化简|m-4|+|7-2m|+|m×m-2m+1|-|m×m-2m-3|
数学化简求值m+6/m^2-m-2÷3/m+2乘(1-1/m+2)