Re: [計量] 請問一題數學
=:正在響
_:響的間隔
1 2 3 4 5 6 :響的數目
|=|_|=|_|=|_|=|_|=|_|=|_|
1 2 3 4 5 6 7 8 9 0 1 :響到六次結束經過11個間隔
所以每段間隔=22/11=2
響12次為止的時間=2x(2x12-1)=46
我承認我是看完答案才懂得/_\
※ 引述《yespeter (噎死彼得)》之銘言：
: A certain clock marjs every hour by striking a number of times equal to the
: hour, and the time required for a stroke is exactky to the time interval
: between strokes. At 6:00 the time lapse between the brginging of the first
: stroke and the end of the last stroke is 22 seconds. At 12:00, how many seconds
: elapse between the brginging of the first stroke and the end of the last stroke
: ?
: (A)72
: (B)50
: (C)48
: (D)46
: (E)44
: D
: 我連題目都不是很懂 想請問一下這題該怎麼解
: 謝謝
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