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- 1汽车每小时行x千米,比自行车每小时快50米,自行车3小时行了多少千米;当x=65时,自行车行了多少千米
- 2细胞膜的结构特点和功能特点?
- 3等腰三角形ABC 角A为100°
- 4We go to school f________ Monday to Friday.
- 5小平在踢毽比赛中踢了42下,她踢毽的数量是小云的3/4.小云踢了多少下?
- 6航天飞机随火箭从地面静止开始发射升空的初始阶段加速度为2m/s^2,质量为60kg的宇航员此时受到的支持力为( )
- 7英语1.why not keep the door()?it is blowing outide a.is clised b.close c.closed d .open
- 8对于我们来说,防止水污染是重要的.用英语怎么说
- 9一个两住数,在其两个数字间添一个0,得到的三位数是原来两位数的9倍,求原来两个数是多少?
- 10The boy can't find a desk to study in his room,so the box ( ) a desk by him.