2, 4, ____, ____ 100, 50, ____, ____ 3, 6, ____, ____ 0.25, 0.5, ____, ____ 1, 10, ____, ____ 135, 90, ____, ____ 81, 54, ____, ____ 11, 12.1, ____, ____ 11, 121, ____, ____ 5, 2.5, ____, ____

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