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If 1+4=5 2+5=12 3+6=21 8+11=
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If 1+4=5 2+5=12 3+6=21 8+11=

User Frank Zafka
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4 votes
21 + 8 + 11
= 40
All you do is add the answer from the previous answer to the sum that you are adding to get your result
User Oliver Sieweke
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