英文统计学题How many ways are there to select 11 countries in the United Nations to serve on a council if 1 is selected from a block of 53,2 are selected from a block of 62 and 8 are selected from the remaining 74 countries?

英文统计学题How many ways are there to select 11 countries in the United Nations to serve on a council if 1 is selected from a block of 53,2 are selected from a block of 62 and 8 are selected from the remaining 74 countries? How many ways can a people 英文统计学题 How dose our skin help us ?List as many ways as possible our skin protects us.用英文回答 How many ways of making request are there? you many go ways how can find to to schoyou many go ways how can find to to school连词成句 _____travel in many ways. How many ways can you think of to go to school? Here is a cube.How many nearest ways from A to Can you find? How many ways of dealing with our problems are mentioned in the passage?翻译 how many ways can people travel from shanghai to beijing in the passage是什么意思劳烦了 Put four different letters into three postboxes,How many different ways are there? In how many ways can 10001 be written as the sum of two primes? In how many ways can 10001 be written as the sum of two primes? How many ways does the writer give us to deal with our porblem?回答问题 how many ways do the girls have to go to school? How many ways a man must go before he turns to be a real man? 概率题,话说是英文的,ten people are to be seated at a rectangular table for dinner.Tanya will sit at the head of the table.Henry must not sit beside either Wilson or Nancy.In how many ways can the people be seated for dinner?我不知道那