12 O 30 (1),12,1,2,3,4,5,6,7,8,9,10,11,O,1 O 60 ( ),12,1,2,3,4,5,6,7,8,9,10,11,O,3,3 O ( )6,12,1,2,3,4,5,6,7,8,9,10,11,O,900,12,1,2,3,4,5,6,7,8,9,10,11,O,6 O ( )12 .,1800,90,O,180,O,最新】【最新】07 旋转教学课件1,AOB 90,O,A,B,最新】【最新】07 旋转教学课件1,下面的图案分别是由哪个图形旋转而成的,O,900,O,1800,O,3600