1, if the reference object is a person and the front of the person can be seen; Subject to the characters in the picture. That is, the right side of the graph is our left side, and the left side of the graph is our right side. (Left and right are opposite)

2. If the reference object is fruit, animals, graphics, etc. ; Subject to the observer. That is, our right side is the right side of the object in the picture and our left side is the left side of the object in the picture. (Same left and right)

Learn math skills

1, grab the classroom. Science study focuses on weekdays and is not suitable for surprise review. The most important thing to study on weekdays is to attend class for 45 minutes. Listen attentively and keep your thoughts close to the teacher. Finish homework with high quality. When writing homework, sometimes the same type of questions will be repeated. At this time, we should consciously check the speed and accuracy, and we can have a deeper thinking on such problems every time we finish.

2. For the wrong questions that can't be done: understand each step and think about why. For the wrong questions that have been miscalculated, if this happens frequently, then we should change the calculation methods and habits, such as learning to check the calculation twice to improve the accuracy.

The key is to think. The deeper you think, the more thoroughly you learn, and you can get high grades with a few questions. But this idea is not out of thin air, but based on the wrong question.