Tell the story of multiplying a monomial by a polynomial...
Tell the story of those who were 80 and those who were 80.
Jiang Lu, an ordinary student, was inexplicably ostracized by everyone. The teacher just said to him: "Why do they only bully you and not others?" He was helpless. But Qin Ge appears, so can he pull Jiang Lu out of the abyss?
The main reason is that the writing is poor and heartbreaking...
Intention: When you encounter a problem and can't find help, you have to find a solution on your own and don't get stuck deeper and deeper.