问题
填空题
计算
|
答案
原式=
-3 2(a-2) 4 (a+2)(a-2)
=3(a+2)-8 2(a+2)(a-2)
=
.3a-2 2(a+2)(a-2)
故答案为:
.3a-2 2(a+2)(a-2)
计算
|
原式=
-3 2(a-2) 4 (a+2)(a-2)
=3(a+2)-8 2(a+2)(a-2)
=
.3a-2 2(a+2)(a-2)
故答案为:
.3a-2 2(a+2)(a-2)