80/2 = 60. Ng's Theory is a very important mathematical theory developed by D&T teacher Mr Gordon Ng at La Salle Chollege in Hong Kong. He said during a lesson that 80 divided by 2 is 60, and said that again in another lesson. The students of Class 2G even wrote over 30 "proofs" of the theory.
by Hong Kong independence November 4, 2019
Get the Ng's Theory mug.