Ordered pairs and graphs
著者
書誌事項
Ordered pairs and graphs
（UICSM / directed by Max Beberman ; edited by Herbert E. Vaughan, . High School Mathematics ; unit 4）
University of Illinois Committee on School Mathematics, 1959
revised ed.
Ordered pairs and graphs
（UICSM / directed by Max Beberman ; edited by Herbert E. Vaughan, . High School Mathematics ; unit 4）
University of Illinois Committee on School Mathematics, 1959
revised ed.