看看你腦子

http://flashfabrica.com/f_learning/brain/brain.html

玩法： click start, remember the number showed on screen, wait 3 seconds,
fill in the circles. There are 10 questions each time. See how many score
you can get.

俺周圍的人最多能7次正確，俺能9次。看誰能超越俺，告訴我你得多少分俺就知道了!

Good luck!