yonkee

曾经思考了半小时 无解

by3by3

lol( V. X  m* b3 X" L9 [# b+ k
imy iq is very low

jsem

原帖由 Penny.LEI 於 2006-11-26 01:39 AM 發表
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2 f) g" W( I5 u3 H所以佢個答案100%係唔正確既

+ h8 |" [9 l. Z* }是的,題目沒有明說异常的球是重是輕,這個方法應該不行

qaz4567

好難呀．．．．

wishbbbb

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vctan2000

lets look at the answer

p290549747

xiang kan kan

lalelilolu123

i think divide 3 in a group, then measure 2 group, if the two group same, then mix the two other group, and divide it into 3 groups of 2 balls, and weigh again.

滴滴仔

thax~~~~~

bin6104007

和4楼的想法一样先两边6个称然后三个……然后一个

yuenyee1985

ans plz~~~~~~~~~

yanwong

THANKSS.

279998723

Feam

i think i have worked it out

oops

watch ans ..:P