Re: [計量] 兩題應用題類計量
※ 引述《lemoursy (CHECHE)》之銘言：
: Eight light bulbs numbered 1 through 8 are arranged in
: a circle as shown above(因為我不會貼圖上來所以其實就是這八個
: 圓圈從12點方向開始是一號，順時鐘下來，六點鐘方向是五號。直到八號).
: The bulbs are wired so that every third bulb, continuing
: in a clockwise direction, flashes until all bulbs have flashed once.
: If the bulb numbered 1 flashes first, which numbered bulb
: will flashed last?
: A. 2
: B. 3
: C. 4
: D. 6
: E. 7
: 我完全不懂他的意思~~~~
好難懂 不知是否是這樣 三個一組 o means lighted, x means unlighted
1o2x3x 4o5x6x 7o8x1x 2o3x4x 5o6x7x 8o1x2x 3o4x5x 6o7x8x
number 6 is the bulb which flashed last
: 第二題
: A telephone company offers a special service
: to customers who make long-distance calls.
: For an additional monthly charge of $8, all long-distance
: charges in excess of $16 for a month are reduced by 50 percent.
: If a customer has long-distance charges of $48 for one month
: without the special service, how much would the costumer have
: saved by using the special service?
: A. $0
: B. $8
: C. $16
: D. $20
: E. $32
: 這題也不太懂…..
48-[(48-16)*1/2+8+16]=8
: 第一題答案D 第二題答案B
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