问题
填空题
5的倍数有______;55以内7的倍数有______.
答案
(1)5的倍数有无数个;
(2)55以内7的倍数有:7,14,21,28,35,42,49;
故答案为:无数个;7,14,21,28,35,42,49.
5的倍数有______;55以内7的倍数有______.
(1)5的倍数有无数个;
(2)55以内7的倍数有:7,14,21,28,35,42,49;
故答案为:无数个;7,14,21,28,35,42,49.