First in 4 group each 3 balls.(A, B, C, D )
/ l v- s2 o, Z+ S! U; X* {! etvb now,tvbnow,bttvbanswert1)A and B 去稱, 如果重量相等. than A and C去稱,如果重量相等. D 份3個.D1 and D2去稱, 如果重量相等. D3重量異常.
' V: i6 v8 o6 Y# f# Danswert2)A and B去稱, 如果重量不相等. than A and C去稱,如果重量相等.B 份3個.B1 and B2去稱,如果重量相等. B3重量異常.www3.tvboxnow.com( x e! N' I S e
answert 3)A and B去稱, 如果重量不相等. than A and C去稱, 如果重量不相等. A 份3個. A1 and A2去稱,如果重量不相等.之前 you know the different by A , B and C 重或輕.
! i6 y8 a" N r2 ]9 v8 qThe answert in 1 min.:onion14: |