[理工] 102 交大線代
有幾題想請教各位大大，如下:
http://i.imgur.com/h9nmt6o.jpg
7. a b選項是因為must所以才選false嗎？
http://i.imgur.com/BRvEdIW.jpg
9跟10. 兩題應該是考同樣的觀念(?
但是好像又有點不一樣(?
弱弱如我都不太會解QQ
兩題我都是直接猜，因為b(0,3,3)其中後兩項相同，所以選項如果有看到同樣位置相同的
就選下去......(自己講一講都覺得心虛QQ
請教各位大大正確的觀念應該是怎麼解呢？小弟感激不盡
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