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11 + 7 + 5 + 4 + 3 + 3 + 3 + 2 + 2 + 2 = ?

First, group things in groups of tens (or twenties).

(11 + 5 + 4) + (7 + 3) + (3 + 3 + 2 + 2) + 2 = ?
20 + 10 + 10 + 2 = ?
30 + 12 = ?
42 = ?

So your answer is 42.

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12y ago

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