(8X-5Y)-(4X-9Y)
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(8X-5Y)-(4X-9Y)(8X-5Y)-(4X-9Y)(8X-5Y)-(4X-9Y)(8X-5Y)-(4X-9Y)=8x-5y-4x+9y=4x+4y
(8X-5Y)-(4X-9Y)
(8X-5Y)-(4X-9Y)
(8X-5Y)-(4X-9Y)
(8X-5Y)-(4X-9Y)
=8x-5y-4x+9y
=4x+4y
(8X-5Y)-(4X-9Y)
81/8*(-x-y)^6*(x-y)^3*4/9(x+y)^4*(y-x)^2
(3x-4y)(5x-4y)-(7x-8y)(6y-5x)
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2)
化简(4x-2y)-[5x-(8y-2x-x-y)]+x
化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜
3x+2=y 5x+4=y 7x+6=y 9x+8=y 11x=y 联立方程 有的话
3x+2=y 5x+4=y 7x+6=y 9x+8=y 11x=y
3x+2=y 5X+4=Y 7X+6=Y 9X+8=y 11x=y要如何计算
3x+2=y 5x+4=y 7x+6=y 9x+8=y 11x=y怎么解
y-3x=2,y-5x=4,y-7x=6,y-9x=8,y-11x=0方程组,无
1.(x^3-x^2-4x+1)/(x^2-3x+2)-(x^3-2x^2-9x+21)/(x^2-5x+6)+(x^2-3x+8)/(x^2-4x+3)2.{(x^2)/(x-y)}*{y/(x+y)}-{(x^4y)/(x^4-y^4)}÷{(x^2/x^2+y^2)^2}
(4x-2y-z)-{5x[8y-2y-(x+y)]-x+(3y-10z)]=? kuaihuajian
计算:(x-y)^8÷(y-x)^4×(x-y)
9y=3x-(x-1),4(x+y)-(2x+4)=8y
(4x-3y)(5x+2y)-2x(9x-5y) 等于多少
3x-2y=9 x-3y=2 x+y=5 x+2y=3 y=x 2x+y=8