英语翻译1.in a class of 15 boys and 10 girls,in how many ways ma

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/08 04:44:02

英语翻译
1.in a class of 15 boys and 10 girls,in how many ways may a committee made up of 3 boys and 2 girls be seated?
2.how many different sums of money can be made from a penny,a nickel,a dime and a quarter?
3.in how many ways may a college president’s wife invite two or more of eight faculty wives to a tea?
4.how many triangles are determined by nine points no three of which lie on the same straight line?
5.a language teacher wants to keep books of the same language together on his shelf.If he has 12 spaces for 5 french,5 italian,and 3 german books,in how many ways can they be placed on his shelf?

1.在有15个男生.10个女生的班里,由三个男生和两个女生组成的委员会有多少种入座的方法?（个人觉得不通.）或,有多少种组成三个男生和两个女生的委员会的方法?（这个正常点.）
2.一便士,5分镍币,一角银币和四分之一英担（这是什么?英国28磅,美国25磅）能组成多少种不同的钱额?
3.大学校长夫人有多少种方法可以从8个教员夫人中请2个或以上喝茶?
4.多少种由9个点组成的没有三个点在一条直线上的三角形?
5.一个语言教师想把同种语言的书在他的书架上放在一起,如果他有12个空位可以放5本法语书,5本意大利语书和3本德语书,它们有多少种排列方法?
这是什么?排列组合题吗?

英语翻译1.in a class of 15 boys and 10 girls,in how many ways ma boys and girls are_____stay in class. 英语翻译1.A lot of boys and girls in the United States are weari there are many boys and girls in his class 同义句? In the game,the boys and the girls in front of the class sho in my class two times as many girls as boys. 英语翻译A lot of boys and girls in western countries are wearing 英语翻译A lot of boys and girls in America are wearing the same 英语翻译A lot of boys and girls in Western（西方的）countries are wea 英语翻译Forgive MeA lot of boys and girls in Western countries a How many and girls are there in the picture?There are（）boys What's the a___ of girls and boys in your class?-----42.