Current location - Training Enrollment Network - Mathematics courses - It takes three seconds for the clock to strike three at three o'clock. Why does it take 12 seconds to strike 9 at 9 o'clock (this is a serious math problem, not a brain teaser)?
It takes three seconds for the clock to strike three at three o'clock. Why does it take 12 seconds to strike 9 at 9 o'clock (this is a serious math problem, not a brain teaser)?
Because the interval of three knocks is 3- 1=2 times, we can know that the interval of three knocks is 3÷2= 1.5 seconds, and then the interval of nine knocks is 9- 1=8 times, and 1 times is 1.5. Please adopt it, thank you!
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