来自戚红命的问题
【数学去括号化简,(1)8x-(-3x-5)(2)1-(x-2y^2)+(-x+y^2)(3)(4y+3)-(5y-2)(4)(2x-3y)-(5x-y)(5)-(xy-2z)+(-xy+3z)(6)-(x^2+y-4y^2)】
数学去括号化简,
(1)8x-(-3x-5)
(2)1-(x-2y^2)+(-x+y^2)
(3)(4y+3)-(5y-2)
(4)(2x-3y)-(5x-y)
(5)-(xy-2z)+(-xy+3z)
(6)-(x^2+y-4y^2)
3回答
2019-12-26 10:40