原帖由 tomargom 于 2009-6-19 19:30 发表 ( Q6 C; \9 C: Z/ g. _. p7 q使劲猜! 3 i& r' Y( I$ C% B; TThe * h% T/ w# l; Z; o: d. A0 q) C# bSquare and the Triangle form within the circle, but there is an inner circle and an inner square, * l' L$ |, j4 a E8 q8 G+ C8 ]
as well as an outer square and an outer circle, which prove the fourth dimension ...