109 TMD How to Square Two-Digit Numbers in Your Head
Apr 03, 2015•7 min•Ep. 109
Episode description
Learn how to quickly and easily calculate the square of any two-digit number in your head. Read the episode transcript here: http://bit.ly/1y9x5y0.
Learn how to quickly and easily calculate the square of any two-digit number in your head. Read the episode transcript here: http://bit.ly/1y9x5y0.