大家好, 詢問兩個問題, 希望大家解釋一下:
1.Of the positive integers that multiple of 30 and are less than or equal to
360, what fraction are multiple of 12?
(A)1/6 (B)1/5 (C)1/3 (D)2/5 (E)1/2[Ans.]
這題主要是題目看不懂!
2. If a and b are integers and a-b=6, then a+b CANNOT be
(A)0 (B)less than 6 (C)greater than 6
(D)an even integer (E)an odd integer[Ans.]
B、C、D、E 都能理解,怎麼想都想不到為什麼不是(A)0?
感謝大家!