5, 10, 15, 20, ____ 15, 20, 25, ____, 35 30, 35, ____, 45, 50 ____, 25, 30, 35, 40 10, ____, 20, 25, 30 25, 30, 35, 40, ____ 30, ____, 40, 45, 50 ____, 10, 15, 20, 25 ____, 15, 20, 25, 30 25, 30, 35, ____, 45

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