David W. answered • 07/15/19
Tutor
4.7
(90)
Experienced Prof
03 13, 23, 33, 43, 53, 63, 73, 83, 93 -- 11 times
30, 31, 32, ..., 34, 35, 36, 37, 38, 39 -- 9 times
Total: 20 times
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59
60 61 62 63 64 65 66 67 68 69
70 71 72 73 74 75 76 77 78 79
80 81 82 83 84 85 86 87 88 89
90 91 92 93 94 95 96 97 98 99
100
