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User:Robert Treat/some number tricks

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23 X 29 = 667 223 X 299 = 66677 2223 X 2999 = 6666777

37 x 91 = 3367 3367 X 9901 = 33336667

33 X 3367 = 111111 33336667 X 3333 = 111111111111

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