Visual Math Math Online Tom Circle 99% of my friends get it wrong, except a 13-year-old boy who can ‘see’ it. Wrong answer : 7+(5+7)+(7-1)= 25 View original postShare this:TwitterFacebookLike this:Like Loading... Related Author: Chinoiseries2014 22CE World Lingua Franca View all posts by Chinoiseries2014
Chinese Tuition Singapore 