返回列表 回復 發帖
睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
$ R3 T7 [; ?8 Otvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
# P; G- O7 v0 \6 n9 a9 h2 K% l& Hthen weigh B & C (B & C same weight)5.39.217.77: j( z3 a: `6 Y7 v8 z/ @1 c# O
to find which group has the weight difference and find out is it (A is lighter)% \+ Q8 W# ?; [
heavier or lighter. O3 D' {4 ]& X
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)5.39.217.77/ {; ]# y2 c7 o) p; \) h) r/ n* U6 U
measure E vs F to find which 1 is lighter....
简单!!
easy
???
is it really tht hard?
thank you for your sharing!
???????????????
唔識
thx
;)) ;))
好難呀....
分成a,b,c三堆,分别为5,5,2三堆,先称a与b,若平衡,则中a中取一个与c中任一个称,就得到结果。若a与b不平衡,假设a略重,重a中随机取3个出来加上c中任一个,b中取3个出来加c中的任一个,若平衡,则a中剩余一个就为异常。若a仍重

哈哈

hv a look
返回列表