First in 4 group each 3 balls.(A, B, C, D )
+ P2 b) Y5 M! E, e5 ?公仔箱論壇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.公仔箱論壇* l" l0 C2 O# g* H( d
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.5.39.217.76- c+ q. ~/ {* P6 D! ^0 o
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.5.39.217.763 |# p! D- M# e+ G/ M) G1 V
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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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