20 12 is there any mistake in the online publication of the 27 th question of mathematics in the senior high school entrance examination? Please take a look at it for me and give me an answer as soon
20 12 is there any mistake in the online publication of the 27 th question of mathematics in the senior high school entrance examination? Please take a look at it for me and give me an answer as soon as possible.
Today, I saw the 20 12 Daqing senior high school entrance examination math question, and I also think that the answer to the 27th question published online is wrong. If a 7, △PAB is just outside the straight line y=-x, and the calculation result is 1/2(7+ root number 89). Do you agree with me?