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  1. 在1小時內, A自己做,可做5份之一的Task 設B自己做,需Y小時完成該Task 所以在1小時內,B自己做, 可做Y份之一的Task 1/ 5 + 1/ Y = 1/ 2 Y = 10 /3 = 3 又1/3 小時

  2. How many credit card holders are there in the U.S. ? - There's no centralized database for this figure. Besides, this figure changes every minute. It's like asking how many rocks are there on earth...

  3. ...特殊能力測驗(Special Ability Test)、能力傾向測驗( Aptitude Test)。一般能力測驗主要是指通常所說的智力測驗,如比奈一西蒙智力...

  4. ...發展部及德智發展部 (Talent Enrichment Department & Aptitude Enhancement Department) 康恩園之善恩閣及詠恩閣主要為嚴重...