i found the ans in 30 mins but dont know correct or not?
, [4 j) t& ]$ A( ]tvb now,tvbnow,bttvbans is too long! but concepts are something like that:tvb now,tvbnow,bttvb2 C5 ~& O' X- ?! [) `& v
seprate 4 groups 3 balls in one group!
5 x& P' u7 v5 \. q. z$ u) k7 F$ Utvb now,tvbnow,bttvbthe important part is the 2nd times which need to find out the fake ball is heavier or lighter by use the normal ball that u find at the first time!: R/ e2 n2 @/ P% Y
the last part is 1ball vs 1ball! something like that |