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- 1用二项式定理证明整除
- 2He is always ready to help me when I am in trouble.
- 3If you don't know the meaning of the word,you can look it up in the dictionary 关于don't
- 4she and her mother stood by sea until she lost sight of the ship which carried her father away?
- 5小明的爸爸身高为173厘米,小木凳的高度为25厘米,如果小明站在小木凳,就和爸爸一样高了,那么小明的身高
- 61kpa等于多少kg
- 7全要
- 8新中国成立以来取得了那些历史成就,这些成就说明了什么
- 9小明今年16岁,为什么只过了三次生日
- 10已知 10m=0.2,10n=4,求: (1)2m-n的值; (2)9m÷3n的值.