s+13/5 + s+5/2 = 1/5?

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Chun Yin

2016-11-08 10:39 am

回答 (2)

[匿名]

2016-11-28 9:06 am

/
?

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baby

2016-11-08 12:18 pm

2s+5.1=0.2
2s=-4.9
s=-2.45

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收錄日期: 2021-04-18 15:52:59
原文連結 [永久失效]:
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