i found the ans in 30 mins but dont know correct or not?
7 [4 u8 K" Q8 ~& g, C! N+ ktvb now,tvbnow,bttvbans is too long! but concepts are something like that:tvb now,tvbnow,bttvb2 ^5 X% y7 ~$ P% H
seprate 4 groups 3 balls in one group!
{3 g$ e9 J3 R1 F8 lthe 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!tvb now,tvbnow,bttvb/ z% x3 L; B8 O4 x% P3 x
the last part is 1ball vs 1ball! something like that |