PREVIEW
... re five problems; the difficulty far surpassed anything she’d encountered before.
She barely managed to solve the first and second questions, but starting from the third, she began to flounder, facing a problem type she had never seen before.
After pondering for ages without success, she could only seek help from Sheng Chuyi, “How do I solve this problem?”
Sheng Chuyi tossed her an Olympic Mathematics textbook, “The examples and explanations for the last three problems ar ...
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