first divide it into 3 groups... 4 for each group...% y" |2 D6 @; |% M6 Y+ f
den use 2 groups to test... if the weight is same... den throw away these 2 groups.. if not... use another 1 group to test with tat 2 groups... throw away the same weight groups...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。, y6 r# F3 O7 Z8 d1 @5 G r
den... left 4 balls...
; D* c. O+ A6 \when u use tat 3 groups to test... u oredi know it is heavier or not...
( v- P5 W1 Q2 ], _, \* U0 n5 i& K公仔箱論壇so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...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- t4 Z! }) c$ L' I2 W
take the heavier or lighter 1... throw away tat 2 normal ball...
* L2 I; }, m: X; Tden u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb$ ]1 T H9 ~7 c, J! ~: o; z
same for now... take the heavier or lighter 1... |