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- 3已知二次函数y=ax2;+bx的图像经过点A(-1,1),则ab有
- 4用铁丝做一个长4厘米,宽3厘米,高2厘米的长方形框架,需要铁丝多少厘米?
- 5跪求一篇关于网络犯罪的英语作文
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- 7please go back to your seat
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- 9Whatever a man sows,that he will also reap.that这句感觉怪怪的,是不是有省略什么啊?
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