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- 1当x为何值时,函数y=lgx/3*lgx/12有最小值?最小值是多少
- 2两辆汽车同时从相距1313千米的两地相对开出,3小时后,还相距707千米,两辆汽车每小时共行多少千米?
- 3选词填空somebody(someone),anybody(anyone),
- 4甲数是20,乙数是甲数的20％,甲数是（ ）
- 5A:What do you think of this purple one B:It suits my daughter very well .B:I'll take it.这句话意
- 6甲数是乙数的8分之5,甲乙两数同时乘0.469后,两数的最简整数比是多少?
- 7The wind began to blow and it turned__ A warm B hot C cold D foggy 下文说下面会变冷
- 8take to hospital 和take to a hospital的区别
- 9It's no use crying over spilt milk.
- 10赤道一年四季一直是白天12小时,黑夜12小时吗?