Even the speed at which they perform operations on the scratch paper is not comparable to that of ordinary classmates.
Because this is the final exam room, the busyness of the class 30 students is in stark contrast to the other 20 students.
The contrast is too great!
Just when Zhang Ruiyun turned around and returned to Wei Minghai, he had already completed the last question!
The playing paper is still blank!
Wei Minghai refreshed Zhang Ruiyun's three views again!
"%¥#@¥¥%...!"
Zhang Ruiyun no longer knew what the shock was like, he was already numb!
There is not a single word on the performance papyrus!
The test paper is more concise and clear!
Last question:
The known function f(x)=sin^2xsin2x.
(1) Discuss the monotonicity of f(x) in the interval (0, π);
(2) Prove: |f(x)|≤(3 under the square root of 3)/8;
(3)设n∈N*,证明:sin^2xsin^2(2x)sin^2(4x)…sin^2(2^n)x≤3^n/4^n。
With just one glance, Zhang Ruiyun was sure that this question was beyond the outline!
And it's seriously over the top!
"It's comparable to a college entrance examination question! Even in the third year's test paper, I wouldn't dare to ask such a difficult question!"
Zhang Ruiyun froze on the spot, wondering if the booklet team made a mistake this time, but Wei Minghai had already answered it right in front of his eyes.
Zhang Ruiyun, "!!!"
I Nima, my Nima, my Nima...
Zhang Ruiyun was roaring wildly in his heart!
Whoa!
His scalp was numb, and he immediately ran to Xu Heng's side and pulled him up.
"Mr. Xu! Come on! Come on! Come and see if the finale of high school mathematics is beyond the syllabus!"
Xu Heng was pulled beside Wei Minghai by Zhang Ruiyun.
Xu Heng took a closer look.
Wei Minghai kept thinking and was writing:
解:(1)f(x)=sin^2xsin2x=2sin^3xcosx,
So f'(x) =...
……
Xu Heng said in a puzzled tone, "Isn't Wei Minghai answering? Where is it?"
Zhang Ruiyun, "!!!"
Zhang Ruiyun only reacted in the next second, "You are a Chinese teacher! How can you know the progress of the math course! Huh..."
Ke Xuheng's next sentence was indeed: "I also think this question is okay, it's not difficult!"
Zhang Ruiyun staggered and almost lost his footing.
"Huhuhu..."
His face was pale, and with a depressed expression, he stared at Xu Heng resentfully, "You are a language teacher! Don't talk nonsense if you don't understand!"
Xu Heng smiled, "Okay... But, look at this, He Ruohua has also started to answer this question. Are you sure you are not reading it wrong? Are you sure you are beyond the guidelines?"
PS: I can't afford to kneel for a long time, give me some support!Legs are going numb.
43 You underestimate Mr. Xu too, and giving the answer at a glance is just the foundation! [1 more!Ask for a collection of flower evaluation tickets]
Xu Heng really thinks it's simple!
Because after reading this question, the answer in his mind was ready to come out.
When he told Zhang Ruiyun that even He Ruohua could do this question, Zhang Ruiyun turned his head to check.
The first question has been written!
!!!
Zhang Ruiyun rolled his eyes immediately and almost turned his back.
"This, this, this..."
"hiss……"
Zhang Ruiyun's scalp was numb and goosebumps all over his body, he didn't know what to do.
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