a number of,numbers of,the number of的用法及区别

numbers of是不是等于a number of a number of,the number of,numbers of,the numbers of ,的区别 a number of 和 numbers of 的用法 a number of和large numbers of的区别 a number of 和 numbers of的区别 英语 a number of与 numbers of一样吗 a number of和large numbers of的区别 numbers of 与 a number of的区别 a number of,numbers of,the number of的用法及区别 numbers 和a number of ,the number of有什么区别? There are () stamp-collectors in our class A the number of B a number OF c NUMBERS D NUMBER OF 英语翻译the sum of 2 number is18.Express the product of the numbers as a function of the smaller number. a large number of和 large numbers of 后面的谓语动词用单数还是复数 请问numbers of 和a number of 谓语单数还是复数 _________students in my class like basketball very muchA.The number of B.A number of C.The numbers of D.A little number 英语选择：选哪个,为什么,I've forgotten both of the ().A room numbers B rooms number C rooms numbers D room number What is the largest number that cannot be expressed as a sum of different square numbers? _____people who were actually saved form the earthquake was small.A.a number of B.a great number ofC.the number ofD.numbers of