1, 3, 5, 7, ___, 9, 11, 0, 2, 4, 6, ___, 8, 9, 1, 4, 7, 10, 13, ___, 14, 16, 0, 4, 8, 12, 16, ____, 20, 19, 5, 10, 15, ____, 25, 20.

1a Math - Recognize # patterns

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