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如图,正方形ABCD的边长是3cm,一个边长为1cm的小正方形沿着正方形ABCD...
如图,正方形ABCD的边长是3cm,一个边长为1cm的小正方形沿着正方形ABCD的边AB⇒BC⇒CD⇒DA⇒AB连续地翻转,那么这个小正方形第一次回到起始位置时,它的方向是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557054650203/SYS201310221605570546502009_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557054650203/SYS201310221605570546502009_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557054650203/SYS201310221605570546502009_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557054650203/SYS201310221605570546502009_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160557054650203/SYS201310221605570546502009_ST/images4.png)
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