来自汤浩钧的问题
【a-(b-c+d)去括号-(2x-y)+(2-z)去括号4a-2(b-3c)去括号-5a+1/2(4x-6)去括号2(a-b)-3(c+d-2/5(m-n)+1/3(p-q)去括号急需!快~3三分钟内.】
a-(b-c+d)去括号-(2x-y)+(2-z)去括号4a-2(b-3c)去括号-5a+1/2(4x-6)去括号2(a-b)-3(c+d
-2/5(m-n)+1/3(p-q)去括号
急需!快~3三分钟内.
1回答
2019-12-27 22:00