"Student Tang Yue, can you tell me your thinking behind the answer?"
Tang Yue didn't care. For her who majored in mathematics, this was not a very complicated question. The point that needed attention was to analyze all the conditions comprehensively.
"Faced with this seemingly complex problem, we must learn to unravel it. Math problems are like a maze, but as long as we carefully observe the clues in the maze, we can find the exit."
"For this problem, we can first use the recursive formula to find a3 based on the value of a2. When n=1, compare..."
Tang Yue explained her ideas for solving the problem while writing with the pen in her hand, and the judges listened very carefully.
"When n=2, we can determine the range of bn based on the value of a3..."
"The biggest difficulty of this problem is that when n is greater than or equal to 3, we need to use the substitution method to transform the recursive formula..."
"This completely proves the relationship between a and the set, and proves my conclusion. The answer is complete."
The judges' eyes all lit up. They could never have imagined that a 10-year-old child could answer such a complex question so quickly and clearly with external interference.
The comments on the online platform were also flooded with comments like, "I'm so impressed. This is better than what our math teacher taught."
"May I ask how I could invite this 10-year-old teacher to be my tutor at home?"
"I don't understand, but her solution steps are so complete. I can tell she is sure of it from the judges' expressions. Such expressions don't look like acting."
"No, did I come to this world to make up the numbers?"
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