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- 2一个圆和一个正方形的周长相等,其面积,(C)大.
- 3(-a-b)去括号之后符号是什么样变化的?
- 4what else do we need 同义句 We are going to have a picnic on next Sunday.(改错) I think the bike maybe Jam's.(改错) Shall we go
- 5Sam often___(have) dinner at half past six and ____(go) to bed at half past nine.
- 6英语翻译
- 7求函数z=y/√x²+y²的全微分dz
- 8诗经·采薇这首诗主要表达了一位戍边士兵怎样的思想感情
- 938和20的最大公因数是多少
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