初一数学去括号题10道
(1)(3x-5y)-(6x+7y)+(9x-2y)
(2)2a-[3b-5a-(3a-5b)]
(3)(6m2n-5mn2)-6(m2n-mn2)
(4)(3x+4y)-(x-y)-(6x-2y)
(5)(8x-3y)-(4x+3y-z)+2z;
(6)-5x²+(5x-8x²)-(-12x²+4x)+2
(7)(2x-3y)+(-5x+4y);
(8)(8a-7b)-(-4a-5b);
(9)a-(2a+b)+2(a-2b);
(10)3(5x+4)-(3x-5);