在过去的几年里，数学竞赛MathCounts增加了两个新的中学项目（国家数学俱乐部和数学视频挑战），试图使其参与者群体多样化。
In the past few years, Math Counts added two new middle school programs to try to diversify its participant pool—the National Math Club and the Math Video Challenge.
在过去的几年里，数学竞赛MathCounts增加了两个新的中学项目（国家数学俱乐部和数学视频挑战），试图使其参与者群体多样化。
In the past few years, Math Counts added two new middle school programs to try to diversify its participant pool—the National Math Club and the Math Video Challenge.
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