Bennett, Albert B.
Mathematics for elementary : a conceptual aproach / Albert B. Bennett and L. Ted Nelson. - 5th ed. - Boston : McGraw-Hill, 2001. - xi, 868 p. : ill. ; 28 cm.
0072346817
Mathematics.
Arithmetic.
513
Mathematics for elementary : a conceptual aproach / Albert B. Bennett and L. Ted Nelson. - 5th ed. - Boston : McGraw-Hill, 2001. - xi, 868 p. : ill. ; 28 cm.
0072346817
Mathematics.
Arithmetic.
513