Which of the following is equal to 2的16次方減2的六次方除以2的6次方減2的3次方 ?
答案是2的六次方加2的三次方 請問是如何算出?!
If each of the 12 teams participating in a certain tournament plays exactly one game with each of the other teams, how many games will be played?
A. 144
B. 132
C. 66怎麼算?!
D. 33
E. 23 | 
