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麻烦大家帮我做个题.....





The wars come and go ,but my soldiers live enternity.

----2Pac

viva ww,2005-08-31, 21:00:59
(a--(a+
a-b-a-b
不就是0啦
神奇么.....


  
可能对么...




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

了解.....知道怎么做了....配方.....


配方方法对么?......
貌似不行...




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

那不是白搞....
而且不是等式...错误几率高..........




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

我最喜欢地痞了,2005-08-31, 21:03:42
我去拿笔~~~~~好久没玩了,试试看~~忘得差不多了
貌似等于-2根号2




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

viva ww,2005-08-31, 21:07:08
我94真理。。,
  
内那个是等于0.......




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

捏HOHO~,2005-08-31, 21:09:28
最后得2根2?
我算D是-2根号2....
 




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

初3D....
....




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

T.细菌,2005-08-31, 21:13:39
我算的是2根号2
先整体平方 化简完了后等与8
在开2次方
这个.....这个不是等式....不能平方...
你不知道原式的正负....
  




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

捏HOHO~,2005-08-31, 21:16:11
[QUOTE]圣№祈祷者,2005-08-31, 21:14:55
[QUOTE]T.细菌,2005-08-31, 21:13:39
我算的是2根号2
先整体平方 化简完了后等与8
在开2次方
这个.....这个不是等式....不能平方...
你不知道原式的正负....
   [/QUOTE]
正负很简单啊..根号内为正,正减正,前者小后者大..所以是负..

对吧-v-..我3年多没动数学了.. [/QUOTE]
4的....


 
不能3年不动数学的飘过....




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

.........貌似我先做出答案的吧...




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

...过了高中..
把数学书烧了....




The wars come and go ,but my soldiers live enternity.

----2Pac

TOP

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