2-d Geometry: Sunken ships and grid Patterns /

2-d Geometry: Sunken ships and grid Patterns / Douglas H. Clements ... (et.al) - Massachusetts: dale seymour, 1995 - v, 179 p. : ill. ; 28 cm

0866518177


Rectangles
Symmetry

QA 461 / .S93 1993
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