1.
Math Olympiad Contest Problems for Elementary and Middle Schools
by Lenchner, George, Kessler, ...
ISBN: 9780962666216
List Price: $24.95
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Solutions A.P. calculus problems part II AB and BC, 1984-1998
by Broadwin, Judith, Lenchner,...
ISBN: 9781882144068
List Price: $12.00
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Creative Problem Solving in School Mathematics
by Lenchner, George
ISBN: 9780962666223
List Price: $25.75
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Solutions, A. P. Calculus Problems, 1980-1994
by Broadwin, Judith, Lenchner,...
ISBN: 9781882144020
List Price: $10.00
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Solutions, A. P. Calculus Problems, 1982-1996
by Broadwin, Judith, Lenchner,...
ISBN: 9781882144044
List Price: $12.00
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Solutions, A. P. Calculus Problems, 1977-1991
by Broadwin, Judith, Lenchner,...
ISBN: 9780961294090
List Price: $9.00
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Solutions, A. P. Calculus Problems : Part II AB and BC, 1969-1983
by Broadwin, Judith, Lenchner,...
ISBN: 9780961294014
List Price: $6.50
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Solution, A.P. Calculus Problems : Part II AB and BC, 1970-1984
by Broadwin, Judith, Lenchner,...
ISBN: 9780961294021
List Price: $6.50
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Mathematical Olympiad Contest Problems for Children
by Lenchner, George, Lenchner,...
ISBN: 9780962666209
List Price: $18.95