Keyword: subtraction
Adeeb M. Jarrah, Yousef Wardat, Serigne Gningue
EURASIA J Math Sci Tech Ed, Volume 18, Issue 6, Article No: em2115
Adrienne Sturgeon
EURASIA J Math Sci Tech Ed, Volume 14, Issue 2, pp. 557-560
Sema Soydan
EURASIA J Math Sci Tech Ed, Volume 11, Issue 1, pp. 129-138