作业帮也可以是竞赛的数学题英文的
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/21 07:09:02
也可以是竞赛的数学题
英文的
英文的
随便给你发几道吧
There are 9 workers in a community and 6 of them will be selected to be interviewed.How many combinations?
A container leaks 27% of the water in the first hour and leaks 23% of the remainder in the second hour.What percentage of the water that was leaked during the first two hours?
7 green balls and 5 red balls,seclet 3 balls randomly,what is the possibility of choosing 3 red ones?
There are 9 workers in a community and 6 of them will be selected to be interviewed.How many combinations?
A container leaks 27% of the water in the first hour and leaks 23% of the remainder in the second hour.What percentage of the water that was leaked during the first two hours?
7 green balls and 5 red balls,seclet 3 balls randomly,what is the possibility of choosing 3 red ones?