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AMC10/12A卷預估分數線來啦！大咖為你分析重難點，B卷這樣考更容易晉級！
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PURPLE COMET MATH MEET April 2011 HIGH SCHOOL - PROBLEMS Copyright ?Titu Andreescu and Jonathan Kane Problem 1 The ratio of 3 to the positive number n is the same as the ratio of n to 192. Find n. ...
紫色彗星數學競賽真題（2010年高中組）
PURPLE COMET MATH MEET April 2010 HIGH SCHOOL - PROBLEMS Copyright Titu Andreescu and Jonathan Kane Problem 1 Let x satisfy (6x + 7) + (8x + 9) = (10 + 11x) + (12 + 13x). There are relatively prime...
紫色彗星數學競賽真題（2009年高中組）
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