Jawapan

2016-03-21T23:03:50+08:00
2673+40=2713 2713+50=2763 2763+60=2823 =2613,2623,2643,2673,2713,2763,2823
2016-03-24T19:18:41+08:00
2623 - 2613 = 10
2613+10 = 2623

2643 - 2623 = 20
2623 + 20 = 2643

2673 - 2643 = 30
2643 + 30 = 2673

2673 + 40 = 2713

2713 + 50 = 2763



2763 + 60 = 2823 ...