what is 4x-x?

👨🏻‍🏫 學術台其他 - 科學

2016-02-23 9:04 pm

回答 (6)

2016-02-23 10:39 pm

4 x-rays take away 1 x-ray leaves???

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2016-02-25 12:30 pm

An empty tin can?

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2016-02-23 9:28 pm

3x

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2016-02-23 9:13 pm

3x

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2016-02-23 9:07 pm

3x

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2016-02-23 9:07 pm

3x

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收錄日期: 2021-04-21 17:03:14
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