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- 1Many kinds of books,newspapers and magazines _______in this library英语单选求
- 2小丽光荣的被评为"优秀少先队员"的称号 修改病句.
- 3m平方=m+1,n平方=n+1,且m不等于n,求:mn,(m-n)平方,m五次方加n五次方
- 4If you want something just do it 100%
- 5Thank for __(tell) me the good news.
- 6甲乙两人相距100千米,甲骑摩托车的速度是80千米/时 急用
- 7计算 x^2-2x+1/x^2-1÷x-1/x^2+x-x的值 其中x=2012 甲把x=2012错抄成x=2011 但他的计算结果也正确
- 8有硫酸,硫酸亚铁,硫酸铁的混合溶液100ml,已知溶液中各阳离子的物质的量的浓度相等,硫酸根离子的浓度为6...
- 9red and blue
- 10Jim left home yesterday.He didn't say good-bye to his parents.合并成一句子.