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Mathematics 8 Online
OpenStudy (secret-ninja):

Brain teaser math Solve it if you can At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?

OpenStudy (secret-ninja):

If you Google it, I will know. This is only for legit math people.

OpenStudy (freckles):

|dw:1420077632092:dw| I want to think of graph theory.

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