First in 4 group each 3 balls.(A, B, C, D )
' |# C7 ]* D7 D$ I# |tvboxnow.comanswert1)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.
0 o( W) Y% J+ \tvboxnow.comanswert2)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.
, k" R2 W; G! d9 \% Xanswert 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.
6 Y6 V" {8 @9 Z4 g% F: D" o+ {The answert in 1 min.:onion14: |