Quod Erat Demonstrandum

2008/05/23

同學,拿出你們的 Casio FX-3650p 吧

Filed under: Junior Form Mathematics — johnmayhk @ 1:39 下午

人腦計 2^{22} \times 4^{22} - 8^{22} 很易。

2^{22} \times 4^{22} - 8^{22}
= (2 \times 4)^{22} - 8^{22}
= 8^{22} - 8^{22}
= 0

答案是零,fine。現在拿出你們的計算機,看看答案吧,是否『錯到離譜』?

5 則迴響 »

  1. hehe, 岩岩先睇到, 咩咁ge…

    迴響 由 Edmund — 2008/05/23 @ 5:36 下午 | 回覆

  2. hehe, 岩岩先睇到, 咩咁ge…

    迴響 由 Edmund — 2008/05/23 @ 5:37 下午 | 回覆

  3. Answer from the calculator:
    = -200000000

    Really 離譜!!

    HA

    迴響 由 yU — 2008/05/23 @ 8:39 下午 | 回覆

  4. 想問下阿sir
    FX-50F Plus可以點樣改機架?

    迴響 由 brian — 2008/05/25 @ 9:19 上午 | 回覆

  5. To yU and Edmud, just read the following

    http://lpl.hkcampus.net/~lpl-wwk/Casio50/Casio%20Index%20Problem.htm

    To brain

    sorry, no idea, but you may ask Mr. Wong, visit his excellent site:

    http://lpl.hkcampus.net/~lpl-wwk/

    迴響 由 johnmayhk — 2008/05/26 @ 9:18 下午 | 回覆


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