问题
填空题
填上适当的式子,使下列等式成立.
(1)5x2-25x2y=______(1-5y);
(2)2x2y+xy2-xy=xy______.
答案
(1)5x2-25x2y=5x2(1-5y);
(2)2x2y+xy2-xy=xy(2x+y-1).
故答案为:(1)5x2;(2)(2x+y-1).
填上适当的式子,使下列等式成立.
(1)5x2-25x2y=______(1-5y);
(2)2x2y+xy2-xy=xy______.
(1)5x2-25x2y=5x2(1-5y);
(2)2x2y+xy2-xy=xy(2x+y-1).
故答案为:(1)5x2;(2)(2x+y-1).