Jump to exercise:
Fill the gap.
4, , 8, 10, 12
40, 42, , 46, 48
19, 21, 23, , 27
80, 82, , 86, 88
90, , 94, 96, 98
20, 22, , 26, 28
10, 12, , 16, 18
60, , 64, 66, 68
70, 72, 74, , 78
8, , 12, 14, 16
70, 72, , 76, 78
30, 32, , 36, 38
40, 42, 44, , 48
, 32, 34, 36, 38
50, , 54, 56, 58
59, 61, , 65, 67
10, , 14, 16, 18
50, 52, , 56, 58
Your score is:
Excellent
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