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- 1一个空瓶,装满水后的总质量为32g,装满酒精后的总质量为28g.求空瓶的质量和容积分别为多少?
- 2已知函数fx=log2(x+1) g(x+1)=log2(3x+2) 求在gx>=fx 成立的条件下 函数y=gx-fx的值域
- 3my friend tom is in USA l like to t—— with him on the lnternet
- 4自然地图包括:____、____、____等 社会经济地图包括:____、____、____、等
- 5(1-1/11²)*(1-1/12²)*……*(1-1/99²)
- 6这是牛津高阶词典上的例句,为什么We wish you both health and longevity.中没有be之类的谓语啊!
- 7在△ABC中,∠A、∠B都是锐角,且sinA=1/2,tanB=3,AB=10,求△ABC的面积.
- 8I would like to use a lifetime of waiting to die.If I suddenly disappear one day, I think your will?
- 9《蝉》诗中带有什么样的喻意
- 10He bought a book yesterday ,the author______which is a teacher.(在定语从句中,用适当的介词填空)