计算(x+2)(X-2)+(3x+2y)^2
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/09 10:09:04
计算(x+2)(X-2)+(3x+2y)^2
计算(x+2)(X-2)+(3x+2y)^2
计算(x+2)(X-2)+(3x+2y)^2
原式=x^2-4+9x^2+4y^2+12xy
=10x^2+12xy+9y^2-4
计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x
计算:(x+3y)(2x-y)
计算:(2x-3y)(x+y)
计算:(-x-2y) * (3x-y)
计算:(x+y)-3(x-2y).
计算(x+y)(x+y)^2(-x-y)^3
3x(x-y)+2y(x-y) 计算
计算:x+2y/x-y+2x/y-x-3y/x-y
计算2x/x-y
计算:x(x-3y)(5x-2y)
计算:1-2x+x^2/x-x^3*xy+x^2y/x-x^2
计算2x/x^2-y^2 3x/y^2-x^2 y/(x y)(y-x)快!
计算:(x+2y)(2x-y)
计算(2x-3y)(x+4y)-(3x+y)(x-2y)(2x-3y)(x+4y)-(3x+y)(x-2y)
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:(2x-3y)^2+(x-y)(x+y)+(2x+3y)^2
计算 :(2x-y)(2x+y)-(3x-2y)(-3x-2y)
计算:y×(y/x)^3÷[-(x^2)/y]^-2