Based on Anton Chekhov's background, he was a very philanthropical person. He pursued the career of writing in order to get his family out of poverty. His experiences during his life, were portrayed by the lawer in his story, "The Bet." Like the lawyer, Anton Chekov decided to devote his life to what he always believed, and he values experiences in life more than the material gains.
Answer:
The taecher told that he had written the equation on the board.
