take out 10 balls and 5 in each side
/ r r5 T1 v. x" v公仔箱論壇if both side balance mean the other 2 balls one of them must be the heavy one then just take them to weight will find out which one is heavier.5.39.217.774 n* R2 A5 R. [) B/ ]
' c D0 b0 \0 \tvb now,tvbnow,bttvbif the heavy ball is inside the 10 balls, take out 4 balls from the heavier side which had 5 balls to weight 2 balls in each side.
7 E l5 Q) N" iif both side balance, which mean the one left is heavy one if not, just take the heavier side to weight will find out which one is the heaviest one.
; F8 D2 `* W2 h& ?8 Ktvb now,tvbnow,bttvb1 e- c2 z/ [! N7 i L) |
used less then 1 min to find out the answer.... |