First in 4 group each 3 balls.(A, B, C, D )
5 T9 _8 v- a# {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.
* F$ X5 R% \. r: b3 h* ios.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.公仔箱論壇' ^* l$ l/ {$ y& g; w( 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./ G3 b& L8 Y1 D* W2 Y
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發表於 2007-12-1 03:18 PM
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發表於 2007-12-2 01:42 PM
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