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- 1若X>0,y>0,a,b为正常数,且a/x+b/y=1,则X+Y的最小值为
- 2根据以下才料用英文写文章,介绍卧室（30个单词）
- 3又矮又瘦（汉译英)是?
- 4真的很简单,一道英语选择
- 5DaMing is the tallest in our class.改为近义句
- 6溶洞是怎么形成的?
- 7居（ ）思危
- 8i wish you happy!I wish you happiness!哪个正确,
- 9Children get ( in the way / on the way / in this way / by the way / in a way ) during the holidays.
- 10We are not in the same grade 同意句改写