(x³-1)÷(x-1)=?(9x³-6x²-5x+2)÷(3x-1)=?计算
(x³-1)÷(x-1)=?(9x³-6x²-5x+2)÷(3x-1)=?计算
计算2x/(x³-1)÷1/(x²+x+1)=
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
2道分式计算[(x+4)(x-2)]/x³+2x²+x÷[(x-2)/x·(x+4)/(x+1)]2
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
x³-x²/x²+x÷(x²-1) 计算
计算:(1+1/x)·x²-2x+1/x²-1;(x²/x-1-2x/1-x)÷x/x-1
计算(1).(5x-2)(x-3)-(3x-1)(x-4)= (2).(x+3)(x²+9)(x-3)=
计算 (5x-2)(x-3)-(3x-1)(x-4)= (x+3)(x²+9)(x-3)=
x^2-1/x^2+4x+4÷(x+1)×x^2+3x+2/x-1计算
计算(-x³+2x²-5)(2x²-3x+1)
计算 x(x+3)-(x-1)(x-2)