(m-3)²(m+3)²(m²+9)²
9-m²分之m²-3m(化简)
(m-2)(m²+2m+4)-2m(m²-3),其中m=2
(m²-2m+1/m²-1+m²-m/m)÷(1+m/2,其中m=-3)
(m²-3m+2)/ (m²-m)如何约分?
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(2+根号3)^^m=1,求m²-1/m+1-m²-m/根号m²-2m+1的值
计算:m-m²/m²-1÷m/m-1·(m+1/m-1)²
(m-3)²(m+3)²(m²+9)²
(m²-9分之m+15)-(m-3分之3)
约分 (1)(m+3)(m-2)分之m²-9
数学题(m-1)(m²+1)(m+1)-(m+1)²(m-1)²