Richard J. Brown

Richard J. Brown

Richard J. Brown has written at least 2 books. Their most popular book is Wiskunde in 30 seconden with 1 save with an average rating of 3⭐.

Wiskunde in 30 seconden

Wiskunde in 30 seconden
ByRichard J. Brown

2012 • 1 Reader • 160 pages • 3

30-Second Math: The 50 Most Mind-Expanding Theories In Mathematics, Each Explained In Half A Minute

2012 • 1 Reader • 160 pages

30-Second Maths

30-Second Maths
ByRichard J. Brown

2012 • 160 pages