[求助]OG-DS-260-256-248

grenuisx

我看了解答之後還覺得不太懂耶....麻煩各位高抬貴手請解一下思路好嗎? 感謝...

260. Is 根號(x-5)^2=5-x?

1) -x*absolute 5>0
2) 5-x>0

256. If m>0 and n>0, is mx/n+x > m/m ?

1) m2) x>0

248. Is 1/p > r/r^2+2 ?

1) p=r
2) r>0

[此贴子已经被作者于2003-8-17 12:12:02编辑过]

grenuisx

救命啊...............~~~~~~~~~~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

grenuisx

後來看了看覺得好像明白了,  

but 其他兩題呢~/?????   (繼續) 救命啊~~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1


感謝..~!!! Lorena 你就了我1/3的命.... 還有2/3 的命.....~~!!

grenuisx

救命~~~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11

grenuisx

真是精解, 怎麼同樣都是看og, 我看得就差那麼多...~!!! 真是苦惱...~!!! 還好有你 Lorena...
你可真是好... 在一次的感激不盡...~!!