奧數比賽題目

oscar

你去到呢一步都o岩~
跟住可以combine√2√3=√6
(√2 + √3)^6=485 + 198√6
跟住我記得一本maths書，教我點樣唔用cal'tor計root
就計到√6~2.45
(√2 + √3)^6~ 485+485.1~970
所以我估B=970
其實有d老作成份...

細薯

oic~
我就1定要用cal'tor la~~^^XD

cal'tor answer: 969.9989692

oscar

Originally posted by smallpotato226 at 2005-2-14 11:56:
oic~
我就1定要用cal'tor la~~^^XD

cal'tor answer: 969.9989692

噢...撞o岩左...好野！

suny

實在......好難.....我都做唔掂呀~(o個次7我去左個人同group~T.T)死喇~唔知入唔入到second round tim呀......