00942nam a22002417a 450000500170000000800410001702000180005802801360007608200120021210000160022424500650024026000440030530000450034936500090039450501720040365000160057565000170059165000210060865000150062965000140064465000260065870000160068420211220231343.0211220b ||||| |||| 00| 0 eng d a9780387961293 a:International Book Distributorsb:Flat No 17, Prakash Apartment 4405/2, 5 Ansari Road Darya Ganj New Delhi c:117108d:07/12/2021  a510 LAN aLang, Serge aMath! b: encounters with high school studentsc/ Serge Lang aNew York :b Springer-Verlag,c ©1985. axii, 138 pages : illustrations c; 24 cm b4072 aWhat is pi?.- Volumes in higher dimension.- The volume of the ball.- The length of the circle.- The area of the sphere.- Pythagorean triples.- Infinities.- Postscript. aMathematics aMathematics. aMathématiques. amatematika aWiskunde. aUnterrichtsgespräch aLang, Serge