“... Substituting the formula like this and the answer is solved.” Bo Yun’s pencil drew two horizontal bars below the answer, “Understood?”
Qiao Ting looked at the calculation on the paper. She though that Bo Yun was so good and the problem was solved so easily but… how did she not understand?
“Understood?”
Qiao Ting raised her head to look at Bo Yun. Her eyes wandered to the right with some guilty conscience, and hesitated, “Understood.”
Bo Yun’s black eyes narrowed slightly and saw through Qiao Ting’s guilty conscience.
“Now that you understand, let’s take a test.”
What? Test? No one told her about taking a test!
Bo Yun pulled out a blank calculation paper and listed five questions within a few seconds.
Qiao Ting’s mouth twitched.
How did Bo Yun solve the problem so quickly and come up with questions even faster. She hasn’t been mentally prepared yet ah!
“I’ll give you half an hour to solve the problems.”
Bo Yun pushed the test papers to her, took his own book, lay down on Qiao Ting’s bed, and went to do his homework.
Today is Saturday. The outside is a clear day, with sunshine and cool breeze. What a good day to go out and have fun. But she, Qiao Ting, was locked up in a room with terrible math problems. It has been two hours of tutoring and she feels that her head is about to explode.
Qiao Ting took the trouble to solve the problem. It was a math problem that was from easy to difficult. The first problem was the simplest but it took Qiao Ting ten minutes to solve it. When the second problem was solved, only five minutes were left.
The third question…
Why do people suffer like this? Why did mathematics got invented? Isn’t it just good to learn easy addition, subtraction, multiplication, and division?
The height of quadrangular pyramid matters to her!
The fourth question… it’s obviously a math problem, why is there a bunch of English letters?
She looked messed up.
Question five… it was probably an alien who possessed Bo Yun’s body just now. Otherwise, how could there be alien characters all over the subject?
She grabbed her head and worried. Five minutes later, the timer on Bo Yun’s phone rang, and he slowly walked over.
Qiao Ting watched him vigilantly like an enemy.
Bo Yun glanced at the answer on the test paper coldly, his thin lips spit out a ruthless result, “Twenty points.”
“But I have finished answering two questions. How come there are only twenty points?”
“The second answer is wrong.”
“Eh?”
Qiao Ting’s eyes widened. She couldn’t see where she was wrong.
“Ugh.” Bo Yun sighed heavily.
He sighed. Qiao Ting’s heart tightened.
Woo… she disappointed Bo Yun, right?
“In fact, you didn’t understand when I explained it, right?”
Qiao Ting was embarrassed and stuck out her tongue.
“I will explain it again, and you will take another test after. If there is no full score this time, I will punish you.”
Punishment? Qiao Ting blinked with her eyes horrified, “What kind of punishment?”
“You will know after the test.” Bo Yun played the mystery card.
After Bo Yun explained the lesson, he reissued a similar question.
This time, Qiao Ting tried her very best to solve it and got sixty points.
“Yeah, pass!” She shouted happily.
“Two questions are wrong.” Bo Yun said coldly, “You’ll be punished.”
“Is there a penalty for passing? I passed!”
“What I just said is that there is a penalty for not having full marks.”
“Why is this…” Qiao Ting’s eyes were full of tears.
He is so strict… He is so strict with the sister next door. Bo Yun is so merciless!
“Take off a piece of clothing if you make a mistake.”
“What?” Did she just get in a daze and heard it wrong?
“This way, you will have a sense of tension. You will not pretend to understand if you don’t understand!” Bo Yun leaned on the table with one hand, his surface was calm but his heart was beating violently. “You had two wrong answers, so take off two pieces.”
…
Qiao Ting’s face flushed.
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