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- 1在〇里填上适当的运算符号,使等号两边相等
- 2x,y∈正实数,xy方=4,求x+2y的最小值
- 3You can find that the kind-hearted person e____ here.Because people here are all friendly.
- 4I have learned a lot that way.这里that way需要加by么?这里为什么不加by?that way是什么做什么成分?
- 5一列客车和一列火车在平行的轨道上同向行驶,客车的长是200米,货车的长是280米
- 6制取二氧化碳的化学方程式是?
- 7An old man entered the inn and asked for the accomodation ___ for him.
- 8Thank you for your support.(改为同义句）
- 9late in night还是late in the night
- 1013是由哪两个数的平方相加构成的?