Joke Collection Website - Cold jokes - Teacher: Why can't 520 be divisible by 3?

Teacher: Why can't 520 be divisible by 3?

Teacher: Why can't 520 be divisible by 3?

Student A: Because love can't control mistress.

Xiao Ming said: Wrong! Because mistress can never be eliminated.

Teacher: "Get out."

Another discovery that Xiao Ming didn't tell the teacher was 520× 3 = 173. Does it mean that 1 wives are all mistresses? ...