Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
這樣怎麼算呢請數學高手告訴我
Jun 2nd 2013, 18:39

哈囉~

慢慢一步一步算是這樣~
  

5x+5x+1=10x+10x+1
先x全部加起來 
=> 10x+1=20x+1
先把20x消除 
=> 1+(10x-20x)=1+(20x-20x)  
 
 
消除後變成
=> 1+(-10x)=1 

把括號消除
=> 1-10x=1
把1移到同一邊
=> -10x=1-1
因為1-1=0, 所以
=> -10x=0
這裡求x是什麼所以兩邊都除-10
=> -10x/10=0/-10
因為-10/-10=1
=> x=0/-10

分子式0什麼數字都是0
所以答案x=0  
 

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Yahoo!奇摩知識+ - 分類問答 - 手機通訊 - 發問中
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請問平板Note10.1 螢幕問題 ...
Jun 4th 2013, 08:06

知識問題|

發問者: 匿名
發問時間: 2013-06-04 16:06:05 ( 還有 9 天發問到期 )
解答贈點: 20 ( 共有 0 人贊助 )
回答: 0 0

我朋友想問 他的Note10.1 螢幕裡跑進去螞蟻
並且死在裡面 他有問過 這樣不能保固 算是人為因素
那麼要送原廠 這樣價錢大概要多少 ... ?

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Jun 2nd 2013, 07:51

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