补充习题 9.计算{x-2y+3z}{x+2y-3z}计算{x-2y+3z}{x+2y-3z}
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/26 12:57:10
x){p';\4CRźMwvQqUmuQ.I*G7" fb3]
lB{z*6qA^ =sA*4` n7SUa.bR *,4Q4e!@Y<;mBH,k|ѾϚ7?څl
补充习题 9.计算{x-2y+3z}{x+2y-3z}计算{x-2y+3z}{x+2y-3z}
七年级下学期补充习题乘法公式(3)x-y=2,y-z=2,x+z=14,求x的平方-z的平方的值
2(x+y-z)-3(x-y+z)-5(x+y-z)+6(x-y+z) 计算
计算(x-y-z)^2
计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)计算(X+3Y+2X)(-X-3y-2Z)
计算:x^2/(x-y)(x-z)+y^2/(y-x)(y-z)+z^2/(z-x)(z-y)
计算:3x-2y- [-4x+(z+3y)]
计算:(y-x)(z-x)/(x-2y+z)(x+y-2z)+(z-y)(x-y)/(x+y-2z)(y+z-2x)+(x-z)(y-z)/(y+z-2x)(x-2y+z)
计算:(2x^2)^3-6x^3(x^3+2x^2+x);(x+y+z)(x+y-z)
计算(2x+y+z)(2x-y-z),
计算(x+2y-z)(2y+z-x)
计算(x-2y+z)(z-x-2y),
(x一2y+z)(-x+2y+z)(计算)
计算:(x+2y-z)(x-2y-z)
计算(x+2y-z)(2y+z-x)
计算:(x-y-z)^2-(x-y+z)^2
(x+2y-z)(x-2y-z)计算过程
计算:(x+2y-z)(x-2y+z)