6 - 2 + 2 + 2 , 8 - 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 , 16 - 4 + 4 + 4 + 4, 9 - 3 + 3 + 3, 20 - 4 + 4 + 4 + 4 + 4 , 4 - 1 + 1 + 1 + 1,

TLC: Can I add equal groups?

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