take out 10 balls and 5 in each side" S Y- G+ A R- q* H* B
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.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。# L9 J, I% d- A O' b: f0 k* m& g2 {
, T+ Z& c+ `( p- L* {- Aif 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.: L6 |# ~2 a) e: W) B
if 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.tvb now,tvbnow,bttvb! ~% h7 }; w( v
6 P* z3 h6 `4 x* N" ltvb now,tvbnow,bttvbused less then 1 min to find out the answer.... |