声色犬马百度云资源:easy math questions--jst wanna the answer!2

来源:百度文库 编辑:查人人中国名人网 时间:2024/04/29 18:45:55
16. Write each of the following as the sum of 2 prime numbers.

17. The mathematician Christian Goldbach said that every odd number greater than 7 can be written as the sum of 3 prime numbers

15=5+5+5
or 15=3+5+7
or 15=2+2+11

Write each of the following as the sum of 3 prime numbers.

a.) 19

b.) 43

c.) 27

d.) 53

a)5+7+7
b)13+13+17
c)3+7+17
d)17+17+19

19=3+5+11
43=3+17+23
27=3+7+17
53=13+17+23