First in 4 group each 3 balls.(A, B, C, D )
/ g# S: }! v2 Y; {6 f: f4 a5.39.217.77:8898answert1)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.5.39.217.77:88987 g, ]" X. }: Z9 p; P( L
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.5 S q5 c7 s/ A( ^
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.
9 E& O7 u6 B- `4 rThe answert in 1 min.:onion14: |
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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