问题描述:
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)
(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)
问题解答:
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