Philips, Sam.
530 amazing math puzzles by Sam Philips - New Delhi : Goodwill Publishing House, 2018. - 200 pages ; 28 cm.
Other title : Five hundred and thirty amazing math puzzles.
9788172454821
Mathematical recreations.
Res. 793.74 P554f 2018
530 amazing math puzzles by Sam Philips - New Delhi : Goodwill Publishing House, 2018. - 200 pages ; 28 cm.
Other title : Five hundred and thirty amazing math puzzles.
9788172454821
Mathematical recreations.
Res. 793.74 P554f 2018