整式的乘法题目4x²y·(-xy²)³+6x²·3x³y^7=____
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/11 07:53:47
整式的乘法题目
4x²y·(-xy²)³+6x²·3x³y^7=_____
[2ab²·(-3ab)]²=_____
(-2x²y³)²·(-3xy²)=_____
x^m·(x^(n-1)-x^m-1)=_____
3x(x²-2x-1)-x²(x-2)=_____
(x-3)(x-3)-6(x²+x-1)=_____
(m-n)²-m²-n²=_____
4x²y·(-xy²)³+6x²·3x³y^7=_____
[2ab²·(-3ab)]²=_____
(-2x²y³)²·(-3xy²)=_____
x^m·(x^(n-1)-x^m-1)=_____
3x(x²-2x-1)-x²(x-2)=_____
(x-3)(x-3)-6(x²+x-1)=_____
(m-n)²-m²-n²=_____
1.原式=-4x^5 y^7 +18x^5 y^7
2.原式=-36a^4·b^6
3.原式=-12x^5y^8
4.原式=x^(m+n-1)-x^2m-x^m
5.原式=3x³-6x²-3x-x³+2x²
=2x³-4x-3x
6.原式=(x-3)²-6x²-6x+6
=x²-6x+9-6x²-6x+6
=-5x²-12x+15
7.原式=m²-2mn+n²-m²-n²
=-2mn
2.原式=-36a^4·b^6
3.原式=-12x^5y^8
4.原式=x^(m+n-1)-x^2m-x^m
5.原式=3x³-6x²-3x-x³+2x²
=2x³-4x-3x
6.原式=(x-3)²-6x²-6x+6
=x²-6x+9-6x²-6x+6
=-5x²-12x+15
7.原式=m²-2mn+n²-m²-n²
=-2mn
整式的乘法与因式分解已知,x²-3xy+2y²=0(xy≠0),则x/y+y/x=___(由于不好打
求整式-6x²y加上2x³-xy²+7y³的和与-7x²y+2x
整式乘法与因式分解计算:(x+1)(x²+1)(x的4次方+1)(x-1);(x-2y+1/3)².
已知xy=-2,x-y=3,求整式(-3xy-7y)+[4x-3(xy+y-2x)]的值.
整式的除法 (4x²y+2xy²)/2x*y
(3xy)² · (x²+xy-y²)-3xy(3x³y+3x²y
已知整式6x-1的值为2,y-1/2的绝对值为3/2,则(5x²y+7x)-(4x²y+5xy-7x
整式的化简求值 )① -3(2x²y-xy²)-(4xy²+3x²y) ②-3(
运用多项式的乘法公式计算(x+y)(x²-xy+y²)
已知整式x²y的值是2,则5x²y+5xy-7x-(4x²y+5xy-7x)的值是多少
计算,(x^2-xy)/(xy^2)·y/(y-x) 分式的 乘法,
已知x²+y²-8x+6y+25=0,求(x-y+4xy/x-y)(x+y-4xy/x+y)