若X-Y=5,-XY=3求(7X+4Y+XY)-6(5/6y+x-xy)d的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 10:18:00
若X-Y=5,-XY=3求(7X+4Y+XY)-6(5/6y+x-xy)d的值
若X-Y=5,-XY=3求(7X+4Y+XY)-6(5/6y+x-xy)d的值
若X-Y=5,-XY=3求(7X+4Y+XY)-6(5/6y+x-xy)d的值
(7X+4Y+XY)-6(5/6y+x-xy)
=7x+4y+xy-5y-6y-6xy
=2x-2y-5xy
=2(x-y)-5xy
=10+15
=25
求(3x^+y^-5xy)-【2x^-(-4xy-y^+7x^)】=?
求(3x^+y^-5xy)-【2x^-(-4xy-y^+7x^)】=?
若1/x+1/y=5,求3x+4xy+3y/x+3xy+y的值
若X分之一减y分之一=3,求(5x+2xy-5y)/(x-4xy-y)
若x分之一-y分之一=3,求x-4xy-y分之5x+2xy-5y
若1/X-1/Y=3,求5X+2XY-5Y/X-4XY-Y
若1/x-1/y=3,求5x+2xy-5y/x-4xy-y的值
若x分之一-y分之一=3,求x-4xy-y分之5x+2xy-5y
若3x-4xy+y=-3,2x+3xy-2y=8,求5x-18xy+7y的值
若x-y=5,-xy=3,求(7x+4y+xy)-6(6分之5y+x-xy)的值
若x-y=5,-xy=3,求(7x+4y+xy)-6(6分之5y+x-xy)的值
若x-y=5,-xy=3,求(7x+4y+xy)-6(5/6·y+x-xy)的值
若x-y=5,-xy=3,求(7x+4y+xy)-6(5/6y+x-xy)的值
若x-y=5,-xy=3,求(7x+4y+xy)-6(5/6y+x-xy)
若x-y=5,-xy=3,求(7x+4y+xy)-6(5/6·y+x-xy)的值
若x-y=5,-xy=3,求(7x+4y+xy)-6(5/6y+x-xy)的值
若X-Y=5,-XY=3求(7X+4Y+XY)-6(5/6y+x-xy)d的值
若x-y=5,-xy=3,求(7x+4y+xy)-6(5/6y+x-xy)的值,