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  1. 排列方式

  1. ... equals One hundred seventeen 4.42-12=30 Forty-two minus Twelve equals Thirty

  2. .... 1 ) odd number 2 ) even number 3 ) add 4 ) subtract 5 ) minus 6 ) index notation Hope I can help you !!!

  3. ...數學符號 < = > ∀ ∂ ∃∆ ∇ ∈∋ ∏ ∑ &minus; ∕ ₨₩₪₫€ ℃ ℅℉ ‰ ㎎...

  4. 翻譯一下「一天只有一次清晨」 yī tiān zhĭ yŏu yī cì qīng chén There is only a daybreak everyday.

  5. ...書在這方面有詳細解釋和說明。 圖片參考:http://www.chinamyopia.org/images/minus%20lens0002A.JPG 對付近視的最佳方法,是消滅近視於萌芽階段...

  6. ...弱) 等效原理的實驗事實:重力質量與慣性質量是相等的(目前實驗證實,在10 &minus; 12的精確度範圍內,仍沒有看到重力質量與慣性質量的差別)。 這一事實也可以 ...

  7. ...3(3^y) = 21 ----- L5 12 (4^x) + 8(3^y) = 120 -----L6 L6 minus L5 11(3^y) = 99 3^y = 99/11 = 9 = 3^2 y = 2 Substitute...

  8. ...6 + 8 + 9 = 27 therefore, the difference of the sum of all composite numbers minus the sum of all prime numbers = 27 - 17 = 10 (Ans.) ...

  9. 1. Let the number be x 20 - 2x = 4 ^ 2 20 - 2x = 16 -2x = -4 x = 2 2. Let the smallest number be x x + (x + 2) + (x + 4) = 42 3x + 6 = 42 3x = ...

  10. ... answer must be>0 since a-2 is always positive when a>2, where minus distance is impossible, so don't think that the question is difficult ...