Học sinh đạt điểm 10 sẽ ít hơn năm trước
Cập nhật: 06:57 23/06/2010 GMT+7
Bài 1: khá đơn giản, học sinh trung bình có thể làm được câu này. Riêng câu 1c có khó hơn câu 1c của đề năm 2009.
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