correct operation

例句：

1. 1.The teacher corrected my spelling mistake.
   老师纠正了我的拼写错误。
2. 2. He corrected the math problem immediately after he saw it.
   他一看到那个数学问题就立刻纠正了它。
3. 3. The doctor advised me to correct my diet before surgery.
   医生建议我在手术前纠正我的饮食习惯。