2 groups of 4, 2+2+2+2, 4+4, 3 groups of 2, 2+2+2, 3+3, 5 groups of 2, 2+2+2+2+2, 5+5, 4 groups of 2, 2+2+2+2, 4+4, 3 groups of 4, 3+3+3+3, 4+4+4

Repeated Addition Making Groups

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