Do it carefully the first time and do it with your eyes wide open, because it is difficult to find some careless mistakes when you check it the second time in turn, such as miscalculation and unequal letters. At this time, everyone will have a mentality after the exam, and their eyes will be blindfolded ... If you want to take the exam 1 18, you must be careful. Many times, math experts can't get full marks.

As for the inspection time, it really depends on the difficulty of your thesis. If it is difficult, you may spend all your time on the last question and have no time to check it in turn. Please refer to ① at this time. It's very important to be very serious when you do it for the first time. ...

If you can control the time freely in each exam, I recommend that the exam time be 25 minutes. This is just for you to check error-prone data, check letters, draw pictures and so on. You can also overcome difficult problems. If the inspection time is too long, it will definitely not be done with 100% care for the first time. If the inspection time is too short, it means that the test questions are too difficult. At this time, we should check the basic questions more to avoid making unnecessary mistakes and causing redundant points!

4 check: the first time: check the answer, check the letters and symbols; The second time: think about the uncertain topic again (the most time-consuming); The third time: Read each question again to ensure that you will not be overshadowed (for example, the words "incorrect" and "inappropriate" in the question should be circled)