First in 4 group each 3 balls.(A, B, C, D )
" q: ]! ]+ b0 d! x* |5.39.217.77:8898answert1)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.tvb now,tvbnow,bttvb8 O+ k% D3 C, X5 A
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.
( q& ?. E( |5 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.
" g0 b" C I( k% v, I, @" }The 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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