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)
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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)
x3-2x2-xy的公因式是1 4
x.1 4
故答案为:a,3x2y,5a2b,
x.1 4