若-(m+2)=0,则m等于几
若-(m+2)=0,则m等于几
若|m-3|+|n+2|等于0,则m+2n等于几
若m-n=2,mn=35,则m+n等于几?
若m²+m-1=0,则m³+2m+3等于﹙﹚?
若m小于0,则m分之m的绝对值等于多少;若m分之m的绝对值等于1,则m为几?
若m大于等于0,则|m|= ,若m小于等于0,则|m|= .
2x方+(m+1)x+3m+3=0的两实根平方和等于7,m等于几?
如果m-m分之一=-1,则m+m等于几,
M的平方减3等于1,2M减1小于0,M等于几
3×m×m等于几3×m×m等于几3×m×m等于几3×m×m等于几
m^2+m-1=0,则m^3+2m^2+1等于?
若m²+m-1=0,求m³+2×m²+2009等于什么