1

A REDISCOVERED TEST FOR DIVISIBILITY BY ELEVEN

Year:
1976
Language:
english
File:
PDF, 234 KB
english, 1976
2

A TWO-SQUARE ONE-SQUARE PUZZLE: THE PYTHAGOREAN THEOREM REVISITED

Year:
1976
Language:
english
File:
PDF, 347 KB
english, 1976
3

A 5-r Uniqueness Theorem

Year:
1975
Language:
english
File:
PDF, 445 KB
english, 1975