关注学习差距,缩小两极分化--浅析农村中学数学学习两极分化的现象及对策
관주학습차거,축소량겁분화--천석농촌중학수학학습량겁분화적현상급대책
Paying Attention to Learning Gaps and Narrowing Polar-ization:A Brief Analysis on the Phenomenon and Coun-termeasures of Polarization in Mathematics Learning at Rural Middle Schools