(-2m-1)*(3m-2)=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 11:47:30
(-2m-1)*(3m-2)=?
(-2m-1)*(3m-2)=?
(-2m-1)*(3m-2)=?
原式=-(2m+1)(3m-2)
=-[6m^2-m-2]
=-6m^2+m+2
(-2m-1)(3m-2)=-6m²+m+2
原式=-2m(3m-2)-(3m-2)
=-6m²+4m-3m+2
=-6m²+m+2
(-2m-1)*(3m-2)==-6m²+m+2
原式= - 6m² +4m - 3m+2
= -6m² +m+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
化简求值(m+2/m²-2m)-(m-1/m²-4m+4)÷(m-1/m) 其中m=4
(3m^3-2m^2+m)-(4m^3-2m^2+3m),其中m=-1; 求答案
已知m=根号3,求(1-2m+m平方)/(m-1)-(m-1)/(m²-m)的值
若(2+根号3)^^m=1,求m²-1/m+1-m²-m/根号m²-2m+1的值
{[(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
3(m+1)-5(m+1)(m-1)+2(m-1),化简.其中m=5
先化简再求值:(3+m)(3-m)+m(m-6)-7,其中m=1/2
(m+5分之m-3)^2+(m+5分之4-2m)^2=1,m等于多少?
m=(根号5-3)/2,则代数式m(m+1)(m+2)(m+3)的值为多少?
2m/m^2-9-1/m+3(计算)
数学已知m-1/m=2,则m²-1/m²=(),m+1/m=()已知m-1/m=2,则m²-1/m²=(),m+1/m=()大神速回
若多项式5x*x-2mxy-3y*y+4xy-3x+1中不含xy项,求(-(m*m*m)+2(m*m)-m+1)-(m*m*m+2m*m-m+4)
若m-(1/m)=-1,则m平方+m=____;2m平方+2m-1=
(m-2)(m²+2m+4)-2m(m²-3),其中m=2
m/n=5/3,求(m/m+n)+(m/m+n)-(n^2/m^2-n^2)