First in 4 group each 3 balls.(A, B, C, D )' M, o% y- b ~
answert1)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.
5 k+ Q# I1 r( t3 u ]公仔箱論壇answert2)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.公仔箱論壇, W$ T& S/ \. {/ `0 m0 D( b
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.
- u9 W+ G1 H) Q! ytvb now,tvbnow,bttvbThe answert in 1 min.:onion14: |