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In her past life, Jiang Xiaoyu was cheated on by her adopted sister Jiang Zhenzhu during a math competition, misunderstood by her biological mother Zhao Min and biological brother Jiang Cheng, and ultimately died tragically at the venue. Reborn three days before the competition, she vows revenge and humiliation. She repeatedly uncovers Jiang Zhenzhu's cheating tricks using mind-reading skills and counters them with her superior mathematical talent and meticulous planning. After multiple rounds of competition clashes, with the help of righteous figures like Academician Ge, she proves her strength by solving the Pearl Problem and the Liszt Problem. She exposes the truth of Jiang Zhenzhu's plagiarism and the years of favoritism and harsh treatment she endured within the Jiang family. Finally, she cuts ties with the Jiang family, joins the Tsinghua and Peking University research team, and realizes her own value.






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