Posts by Justin Ostrea
Mathematics Facts & Trivia
A 3-digit result of any number
Mathematics Facts & Trivia A 3-digit result of any number multiplied by 11 has its middle digit the sum of other two, like: 21 × 11 = 231 (2+1=3) 13 ...
Mathematics Facts & Trivia A 3-digit result of any number multiplied by 11 has its middle digit the sum of other two, like: 21 × 11 = 231 (2+1=3) 13 ...
Trending Topics
© 2015