calculation on it. What is the result of this calculation? A-6, B-15, C-18, D-24, or E-33? We are going to put together the puzzle pieces in a certain order to find the answer, so we have 3. If this is 3, then we can put the plus sign, either on this side or on this side. We are going to put it on this side, because if we put it on this side, we could not put anything on it, so it has to go on this side. Then we are going to put the 2, and then we still have this 1 left over, so it's going to go right here, in front of the 3. So we have 13 plus 2, which is 15, which means our answer is B, 15.

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