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有些学校学生的数学作业,倒也蛮叫人满意,做错的不多。可是,问问学生的考试成绩如何,任课老师却摇摇头说:“唉!
Some school students math homework, it is quite satisfactory, not many mistakes. However, ask students how the test scores, but the teacher was shook his head and said: "Oh!