The problem with some of the answer replied was that the question did not specify whether the odd one is heavier or lighter and a lot of the reply can not be validate as assumptions are made without being tested.
The problem with some of the answer replied was that the question did not specify whether the odd one is heavier or lighter and a lot of the reply can not be validate as assumptions are made without being tested.
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Well, I think you have to spend 30 minutes (or more) to read the question more carefully. 2 R" i6 H; e4 Ftvb now,tvbnow,bttvb ; A$ j; Y' F7 L0 o# btvb now,tvbnow,bttvbThe key point you miss is "重量異常" not just heaver. 0 ]7 q! \& X# JThis means you don't know the ball is lighter or heaver.