# Yahoo奇摩 網頁搜尋

1. ### 問一個數學名詞

... numbers with an PLUS sign or a MINUS sign . Because on the number line , these...a positive number, with a preceding minus sign . For example, if a positive number ...

分類：科學及數學 > 數學 2006年10月29日

2. ### A question

... on the boy is gravity, the acceleration should be -9.8 m/s. We put minus sign in front of 9.8 because the gravitational force always accelerate an object in a downward direction...

3. ### 請問英文的數學符號，（加、減、乘、除），是怎樣串出來的，多謝。

...被減數 [Mathematics] a minuend 減號 [Mathematics] a minus sign ; a minus 減數 [Mathematics] a subtrahend...

4. ### 鍵盤代碼!!!

... SIGN (+) 顯示所選取資料夾的內容。 數字鍵台上的 NUM LOCK+ MINUS SIGN (-) 收合所選取的資料夾。 向左鍵 收合目前已展開的選取項目，或選取上層...

5. ### S.1 Math

1+2+3+4+5+6+7+8*9=100

6. ### 科學難題（exam）...急需幫手！！

...of a sodium ion. Explain your answer. charge is negative, as a minus sign on the symbol means the ion carry a negative charge, while a plus sign on the symbol...

分類：科學及數學 > 化學 2009年07月01日

7. ### Energy and Energy Sources

...the work done against a given force (= work of given force with minus sign ) in changing the position of an object with respect to a reference position (often...

分類：科學及數學 > 化學 2007年11月20日

8. ### 數學問題一問,thx

...sum of (x^2) - [n/(n-1)]*X^2 (X is mean) Notice the minus sign above, here below is the proof: 圖片參考：http://i187.photobucket.com/albums...

分類：科學及數學 > 數學 2007年09月26日

9. ### 7 energy is what(s)?

...the work done against a given force (= work of given force with minus sign ) in changing the position of an object with respect to a reference position.

10. ### physics--bimetallic strip

..., as temperature increase, B-A decrease (increase in absolute value, but minus sign is need to take in calculate), so as the therometer display, the "temperature"...