First in 4 group each 3 balls.(A, B, C, D )tvb now,tvbnow,bttvb6 h! P0 f& y" u5 Q
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.
. z7 \8 e) c( m0 s b* f9 s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.
; ]6 l9 X$ b' a! K0 t1 [( Qanswert 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.- y; A3 a5 D! P8 j( s9 \6 l
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