(1/3xy)²*(-12x²y²)÷(-4/3x³y)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/06 01:26:04
(1/3xy)²*(-12x²y²)÷(-4/3x³y)
![(1/3xy)²*(-12x²y²)÷(-4/3x³y)](/uploads/image/z/15303050-26-0.jpg?t=%281%2F3xy%29%26sup2%3B%2A%28-12x%26sup2%3By%26sup2%3B%29%C3%B7%28-4%2F3x%26sup3%3By%29)
(1/3xy)²*(-12x²y²)÷(-4/3x³y)
=1/9*x²y²*(-12x²y²)÷(-4/3x³y)
=[1/9*(-12)÷(-4/3)]*x^(2+2-3)*y^(2+2-1)
=[1/9*12÷4/3]*x*y³
=[4/3*3/4]*x*y³
=xy³
=1/9*x²y²*(-12x²y²)÷(-4/3x³y)
=[1/9*(-12)÷(-4/3)]*x^(2+2-3)*y^(2+2-1)
=[1/9*12÷4/3]*x*y³
=[4/3*3/4]*x*y³
=xy³
先化简,再求值:3xy²(-x²y+2x³y²)-4xy(-xy²)·
x³y³-x²y²-xy+1
3x²-4xy+y²
计算:(1).(-2xy²)*(3x²y)²
已知x/y=3,求x²+2xy-3y²/x²-xy+y³的值
习题15.4 因式分解 5,(3)4xy²-4x²y-y ³ (4)3ax²-3
1.已知2x-y=1/3,xy=3,求4x³y-4x²y²+xy³的值(要有计算
1 3x²+4xy-y²=
化简再求值 4x³(-y³)²-3x×(-x)²(-y²)³
16x³-24x²y²+12xy^4-2y^6
当X-y=1时,求代数式x 四次方-xy³-x³y-3x²y+3xy²+y四次方
若多项式5x²-2mxy-3y²+4xy-3x+1中不含xy项,求(-m³+2m²