x·(9x³y-3xy²)÷(﹣3x²y) 计算
x·(9x³y-3xy²)÷(﹣3x²y) 计算
计算,x·(9x³y-3xy²)÷(-3x²y)
计算:x•(9x³y-3xy²)/(-3x²y)
(xy-x²)²÷(x-y)²/xy·x-y/x² 计算
计算:(xy-x²)×x-y/xy
计算3x[xy-2x(1/y-x/3]+3y(x²-y²)
计算:(-7x²y)(2x²y-3xy³+xy)
计算[(x²-y²)/y]²÷(x²+xy)³·(xy/y-x)
计算[xy(x²-3y)+3xy²]·(-2xy)+x³y²(2x-y)
计算3x/8y×16y²/27x² (2xy-x²)÷x-2y/xy 2x-6/x
[x(x²y²-xy)-y(x²-x³y)]÷3x²y
【x(x²y²-xy)-y(x²-x³y)】÷3x²y