Math Tricks Brain Twisters And Puzzles
Math tricks, brain twisters, and puzzles eBooks & eLearning
Posted by Jeembo at May 9, 2019
Math tricks, brain twisters, and puzzles by Joseph Degrazia
English | 1981 | ISBN: 0517336499 | 158 Pages | PDF | 6.4 MB
English | 1981 | ISBN: 0517336499 | 158 Pages | PDF | 6.4 MB
Puzzles seem to have beguiled men in every civilization, and the staples of scientific entertainment are certain historic problems which have perplexed and diverted men for centuries.