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1. ### F.2 Maths HELP HELP(20point)

1. 2(x+y)-8=x and 3(x-y)-x=9 2x+2y-x=8 3x-3y-x=9 x+2y=8--------1 2x-3y=9---------2 1x2: 3x+6y=24--------3 2x2: 4x-6y=18----------4 3+4: 3x+6y=24 + 4x-6y=18 ---------------------------- 7X=42 x=6 代入----2 3(6)-3y-6=9 18-3y-6=9 18-3y=15...

2. ### How to create different Headers in a single Word Document

...you haven't done so already, insert a section break where you want to start a new section that contains a different header or footer. Click where you want...

3. ### F.6 Maths and Stat.

a)The 1st digit can not be 0 ,so the 1st digit have 6 choices , other digits is formed from the remain 2 from 6 digits.6 * 6P2 = 180 numbers can be formed.Method 2 :All cases - the 1st digit is 0...

分類：科學及數學 > 數學 2010年08月10日

4. ### F.3 maths x2 (10 points) ^^

1 New frequencyNo. of printing mistakes 0 1 2 3 4 5 No. of chapters 19 3 5 7 2 8 0So, the median should be the average of 22 nd and 23...

分類：科學及數學 > 數學 2011年12月08日

5. ### NSS Question Banks

... 15-19 Question Bank http://www.mediafire.com/?s13drexe1uevfts New trend M2 question bank http://www.mediafire.com/?1amnlwa1u73fmdg

6. ### English Book Report!!快!快!快!快!

The title of the book is Harry Potter and the Chamber of Secrets. It is a adventure book. Its author is J.K. Rowling. My favourite character is Harry...

7. ### 可唔可以給我一些關於李麗珊的資料?

...championship at 1,996 Atlanta Olympic Games opens the new Olympic Games chapter for the Chinese Hong Kong.In 2002, she enters...

分類：體育 > 其他 - 運動 2007年12月31日

8. ### Physics Exercise 介紹?

...overall idea of the main learning points of each chapter . Reminders pinpoint tips and study skills... helps students familiar with the new question type. Demonstration with Guidelines...

9. ### how much the cost of creating a tv series program

...all depends on the grade of the actor you are going to hire, for new join singer can cost around \$3000 per show, if for well-known artist, it cost more...