first divide it into 3 groups... 4 for each group...
& Z' Q0 O2 B8 [( `7 [6 s公仔箱論壇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...
% _9 O6 D( o3 [8 W1 C$ kTVBNOW 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。den... left 4 balls...
# X3 ^, O- Q0 {# P F+ cwhen u use tat 3 groups to test... u oredi know it is heavier or not...
% C/ k* f1 g& u8 S" X: H0 Htvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
: E2 a% w' Q4 ]% ]6 vtvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball...
. E* M* M! g* t3 b6 N: Lden u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb7 D0 M- _+ }) `; i W1 @, [) [
same for now... take the heavier or lighter 1... |