问题 填空题
分别写出下列多项式的公因式:
(1)ax+ay:______;
(2)3x3y4+12x2y:______;
(3)25a3b2+15a2b-5a3b3:______;
(4)
1
4
x3-2x2-xy:______.
答案

(1)ax+ay的公因式是a;

(2)3x3y4+12x2y的公因式是3x2y;

(3)25a3b2+15a2b-5a3b3的公因式是5a2b;

(4)

1
4
x3-2x2-xy的公因式是
1
4
x

故答案为:a,3x2y,5a2b,

1
4
x.

单项选择题 A1/A2型题
单项选择题