Look at the table and write the missing numbers
0 1
3 4
6 7
9
10
12 13 14
16 17 18
21 22
24 25 26
28 29
30
32 33 34
36
38 39
40 41 42
44 45
47
49
50
52 53 54
56 57 58
61
63 64 65 66 67
69
70 71 72 73
75
77 78
80
82 83 84
86 87
89
91 92
94 95 96
98 99
Back