First separate them into 2 piles and then take the heavier pile and sepate them into another 2 piles ,then take out the heavier piles and weigh any 2 of them. If the balanc is balanced the the remaining one will be the heavier ball, an if the balance is not balanced then you know which one is the heavier.
1 weight 6 ping pongs with another 6 ping pongs. see which side is heavierTVBNOW 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。) D; w0 t) z z5 ]
2 spilt the heavier side ping pongs in half and weight against each othertvb now,tvbnow,bttvb3 W W S6 e8 _8 R5 F
3 weiht either ping pongs one on one then you will know which is the heavy one.