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- 1一辆客车和一辆轿车同时从相距1200千米的两地相向而行,8小时两车相遇.客车与轿车的速度比是2比3
- 2不等式左边是负数右边是正数,两边同除以一个负数,不等式的方向改变吗
- 3Tom doesn't go to school on
- 4一个长是5cm 宽是3cm的长方形的长方形按3:1放大后,得到的长方形长是( )cm,宽是( )cm,面积是( )
- 5若n∈N+,n≥2,求证:1/2−1/n+1<1/22+1/32+…+1/n2<1−1/n.
- 6翻译:I began to feel that there was something wrong wih my head,as well as my eyes.
- 7Who traveled the moon by spaceship in 1967?这个句子对么?
- 8他们正在和一个女警说话 英语怎么说
- 9在他们听来,我拉小夜曲就像在锯床腿.这句话的修辞手法是什么?
- 10what have we said -- her so happy