1.Let a be the average of all odd prune number less than 50.

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/09/26 00:27:14

1.Let a be the average of all odd prune number less than 50.The integer,most close to a is( ).
2.Color the following diagram so that any two neighboring fields are different colors.How many colors do you need the least?
翻译!

设A是小于50的质数的平均数,最接近A的整数是（）.
给下列图标涂色,使得相邻区域颜色不同.最少需要多少种颜色?

The number of Out frame must be less than number kf In frame If 25% of a number is 324 less than 70% of the same number,w the number of是用less than还是more than? A number whose square is 4 less than twice the square of 10 If we let< a >be the greatest prime number not more than a , The product of all the prime numbers less than 20 If we let be the greatest prime number not more than a,then 英语翻译If we let be the greatest prime number not more than a,t If we let be the greatest prime number not more than a ,then if 3 times a less than a number n is the same as the number than ever before a number of the number of more 英语翻译a number is added to 9 less than twice the number.If the