Return to 1989 and Learn Mathematics, Physics and Chemistry

In his previous life, He Yu dropped out of school at the age of 16, along with other girls of the same age in the village, and entered the society early to work outside. I just turned twenty-one, met a scumbag on a blind date, and got married a year later. After marriage, she believed the scumbag's proposal to live a "DINK" life and did not have children. However, her mother-in-law and sister-in-law often criticized her. Later, she found out that the scumbag had cheated on her with "White Moonlight" and decided to divorce her. She canceled all contact information and went to a big city to make a living. She died of illness because she was unable to seek medical treatment. I was born again in a daze, fearing that I would be beaten to death as a monster, so I honestly started from a baby. Because she was too tired in her previous life, she didn't bother to talk much before going to school, and everyone she met thought she was stupid. After enrolling in school, she became "smart and hard-working", and her name was "changed" by her teacher, and her school name was He Xiao. The second semester of the first grade was about to start, and she became a second-year student. Her classmates were all preparing for the final exam of the first semester of the third grade, and she was the only one who had to take the final exam with the fourth-grade students. She did not study step by step until she entered the first grade of junior high school. Three years later, she entered a key high school in the city, and three years later she entered the mathematics department of Fuhua University with excellent results after the college entrance examination...