雅虎香港 搜尋

  1. 題目係咪漏左 d 野 ? 我當係呢條式 = 0 (X-3)^2 - 4x^2 = 0 將前面 (X-3)^2 變成 (x-3) (x-3), 乘開佢﹐成條式變成 : x^2 - 6x + 9 - 4x^2=0 -3x^2 - 6x + 9 = 0 兩邊都乘 -1 : 3x^2 + 6x - 9 = 0 兩邊都除 3 x^2 + 2x -3 = 0 拆番做答案 : (x+3)(x-1) = 0

  2. 1/ F = first floor 2/ F = second floor 3/ F = third floor 4/ F ... floor 8/ F = eighth floor 9/ F = ninth floor 10/ F = tenth floor 11/ F = eleventh floor 12/ F = twelveth floor...

  3. F .1係Form One 的簡稱 香港的中學年級用form 有一些地方用Secondary Form 1 = F .1 ,Secondary 1 = S.1

  4. ...) / Policewoman( F ) Bull(M) / Cow( F ) [This one , I am not sure if it is what you are looking for...

  5. 2,4,8 因為 1 (x2) 2 (x2) 4 (x2) 8 x2 (16) 全部都係x 2..

  6. Mary has X, Peter has 2X - 170 Tome has 1/3X +320 Then: X + (2X -170) + (1/3X +320) = 2650 To find X = ? 3X -170 + 1/3X +320 =2650 3X +1/3X = 2650 +170 -320...

  7. BAND ONE SCHOOL 唔收外校生架~ 2007-01-21 17:01:36 補充: 保良局莊啟程預科書院http://www.sfc-plk.edu.hk/plk/sfc/home/index.html

  8. ... = 4 , I = 3。 Step 3 : 若 O = 4 , I = 3 , 則 F + F + 1 = N , 此時 F , N 於 1 , 2 , 6 中選取, 無合適...

  9. The answer is C. It is an arithmetic sequence wth first term 14 and common difference 3. Sub. n=0, 14+3n=14 &lt...

  10. ...-W=10-6.5=3.5 or 6M+ 3W=50-6.5=45 i choose to use first one since it is easier 4M-4W=14........formula 2 formula...