求做几道数学计算-2^3-(-2)^2+(-3)^2-(-1)^3(-2xy^2)^2(-0.5x^2y^3)(-2/3x^2y^3)(x-2y+1)(x+2y-1)5*399/8+5*1/8(x-2y)(x+2y)(x^2-4y^2)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 04:27:14
求做几道数学计算-2^3-(-2)^2+(-3)^2-(-1)^3(-2xy^2)^2(-0.5x^2y^3)(-2/3x^2y^3)(x-2y+1)(x+2y-1)5*399/8+5*1/8(x-2

求做几道数学计算-2^3-(-2)^2+(-3)^2-(-1)^3(-2xy^2)^2(-0.5x^2y^3)(-2/3x^2y^3)(x-2y+1)(x+2y-1)5*399/8+5*1/8(x-2y)(x+2y)(x^2-4y^2)
求做几道数学计算
-2^3-(-2)^2+(-3)^2-(-1)^3
(-2xy^2)^2(-0.5x^2y^3)(-2/3x^2y^3)
(x-2y+1)(x+2y-1)
5*399/8+5*1/8
(x-2y)(x+2y)(x^2-4y^2)

求做几道数学计算-2^3-(-2)^2+(-3)^2-(-1)^3(-2xy^2)^2(-0.5x^2y^3)(-2/3x^2y^3)(x-2y+1)(x+2y-1)5*399/8+5*1/8(x-2y)(x+2y)(x^2-4y^2)
-8-4+9+1=-2