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When playing Monopoly， spend all you have to buy， barter， or trade for the Orange properties. Don’t bother with Utilities.

Re graphics: A picture is worth 10K words - but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures.

每一個數學問題都是一個等待解決的謎題，每一個解決方案都是邁向更深入理解的一步。