Answers

2016-06-25T20:18:41+08:00
The numbers between 1 and 81 that is divisible by 4 are 4, 8, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, and finally 80
0
2016-06-25T20:20:44+08:00
 are this 4,8,12,16,20, 24,28,32,36,40,44,48,52,56,60,64,68,72,76,80.
0