Okay how did you do with the first problem? I'll be posting the answers soon. In the meantime why not try this problem:
If 1+2=6
and 2+3=20
and 3+4=42
then what is 4+5?
and what is 3+5?
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Bobo's masterpeices
I like to create riddles useing numbers. See if you can figure some of them out.