本帖最后由 Queenie17 于 2017-9-4 10:00 编辑 ' t7 w# Z& J- d) p z, c2 d# g n 7 }6 v7 Z9 O) z) b3 E3 QHigh School Contest Books 3 m$ Y9 m* _4 S b- F" \( m" T. eExcellent practice for the SAT! ! Y8 h$ B7 p s# f+ ZThese books gives classes, clubs, teams, and individuals diversified collections of high school math problems. All of these contests were used in regional interscholastic competition throughout the United States and Canada. " j5 b4 y/ I1 B