take out 10 balls and 5 in each sidetvb now,tvbnow,bttvb. }: J B* C+ U6 W1 R+ A- t
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。; f- ?9 E6 o* _4 H* r0 o; C
os.tvboxnow.com7 y, `4 `" _! u$ h1 S; R1 z6 z$ b( D
if 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.
; f( R" v T1 }& _1 nif 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.
, [0 F9 W% H- z( R) Q. Stvb now,tvbnow,bttvb公仔箱論壇: }) n( k! l# K& y
used less then 1 min to find out the answer.... |