14.529+(2.471-2.1)=______.
14.529+(2.471-2.1)=______.
125×(4+8)=______×______+______×______.
125×32×25=(______×______)×(______×______)
填质数:21=______+______=______×______=______-______.
分解因式:2ax+4bx-ay-2by=(______)+(______)=(______)(______).
3.76°=______度 ______分 ______秒.
填上适当的质数.24=______+______=______+______=______+______.
巧填单位名称.1______-59______=1______;1______-9______=1______;1___
0.87×99+0.87=______×______.
(2013•德阳模拟)0.5公顷=______平方米; 2.35时=______时______分.
(1)34.37°=______度______分______秒. (2)3
(am)n=______(mn都是正整数),即幂的乘方,底数______,指数______.