(5x-3y-2xy)-(6x+5y-2xy),其中x=-5,y=-1 【50-(7/9-11/12+1/6)*(-6)的二次方】除(-7)的二次方
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/28 14:19:22
xJ@_eAnE} )zInX֓ŋROEy&
N"||3Jy*.h U:c̸6p2jrƃSs53}
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
5x^3y*(-3y)^2+(-6xy)^2*(-xy)+xy^3*(-4x^2)
诺x+y=6,xy=4 求(5x-4y-3xy)-(8x-y+2xy)
因式分解 (3x+2y)-(x-y)² x²-xy+3y-3x 2x²+xy-y²-4x+5y-6
化简:3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]
因式分解 求过程 x-xy+3y-3x 2x+xy-y-4x+5y-6
3x平方-5x平方y-{2x平方y+6xy平方-[2xy平方-3x平方y+(3x平方y-4xy平方】}
图解(x+2y)(x+3y)=x平方+5xy+6y平方
4xy-[(x²+5xy-y²)-(3xy-1/2y)]x=3,y=-6
√x(√x+2√y)=√y(6√x+5√y,求x-3√xy+2y/x+√xy-6y
∫x(∫x+2∫y)=∫y(6∫x+5∫y),求:(x+∫xy-y)/(2x+∫xy+3y)
2X^+XY-Y^-4X+5Y-6
2x^+xy-y^-4x+5y-6=?
-x^5y-xy+2x^3y
3(x-y)²-7(x-y)+8(x-y)²+6(x-y)求详细过程(2) 5xy-4x²y-8xy²+3xy-xy²+4x²y
2x^2-3xy+6y^2-x^2+4xy-5y^2
已知2/X-1/Y=3,则(X-2Y-XY)/(5XY+6Y-3X)=?
已知2/x-1/y=3,则(2y-x+4xy)/(3x-6y-5xy)=?