Jawapan

2016-05-23T23:02:06+08:00
2016-05-24T12:43:20+08:00
2 = 2 , 4 , 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40,
       42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62
5 = 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65
6 = 6, 12, 18, 24, 30,36, 42, 48, 54, 60, 66

dua gandaan sepunya pertama ialah 30 dan 60