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- 1小红量得一棵古树得周长是1256厘米,这棵树的横截面的面积是多少?
- 2数列an中,Sn=4-an-1/2^(n-2),求a1,a2,a3,a4并猜想an的表达式
- 3What did she have?是否正确,还是该用has代替have?
- 4英语翻译
- 5英语翻译:I don't want to go to my parents for suggestions will get worried about me.
- 6Could someone be swallowed by a whale and live?In 1891,a young English sailor named James Bartley was,and he did.
- 7最少四个成语故事,并说明其寓意和道理,可联系实际.
- 8you can sit down here改成命令句
- 9三条边长为4 9 14 可否构成三角形 为什么?
- 10请问 keep doing keep on doing 的区别 go on with go on doing go on to do 的区别 那位楼主说下 不胜感