海量图书期刊资源,随时随地畅享阅读乐趣
A geographical bibliography for American libraries a joint project of the association of American geographers and the national geographic society' by C. D. Harris (editor-in-chief) (1985). Price: $U.S. 29.95 Plus MailingAnn Inie · 1988
Ponderings on Pocket-sized PolyhedraS. Louise Gould · The Mathematics Teacher · 2012
What Are These Things Called Variables?SIGRID WAGNER · The Mathematics Teacher · 1983
The Many Uses of Algebraic VariablesRandolph A. Philipp · The Mathematics Teacher · 1992
Finding Skewed Lattice RectanglesDick J. Smith and Eric F. Errthum · The Mathematics Teacher · 2012
Babylonian QuadraticsROBERT D. McMILLAN · The Mathematics Teacher · 1984
Understanding Connections between Equations and GraphsEric J. Knuth · The Mathematics Teacher · 2000
The Purple Milk ProblemKasi C. Allen · The Mathematics Teacher · 2012
The Birthday Problem, EmpiricallyDustin L. Jones · The Mathematics Teacher · 2012