There are two prime numbers. One says the sum of us is 20. The other says the difference between us is 6. What are they?

Using sum difference formula
（20+6）÷2=13
（20-6）÷2=7

RELATED INFORMATIONS

1. Do not apply problems. To more. Must be solving equations. More
2. Who has a fifth grade score equation problem Who has, I want a lot of
3. ） 1. Xiaoming has RMB 9.1 with a face value of 20 cents and 50 cents. It is known that the number of the two kinds of RMB is the same. How many are there in each of the two kinds of RMB? 2. A and B depart from the same station in the opposite direction at the same time, driving for 2.5 hours. The distance between the two vehicles is 225 kilometers. A runs 39 kilometers per hour, and B runs how many kilometers per hour? Answer in detail (write down every step clearly, answer both questions)
4. Don't apply questions
5. 560 math problems, grade 5, requirements are: fraction addition and subtraction calculation problems (Tuoshi), simple calculation of fraction addition and subtraction, oral calculation of fractions Simple, there is a reward of 30 or 50 (50 probability is high), no answer reward of 20 (the question is quite satisfied, no answer reward of 30), fast! [can't copy, copy a point can't, copy not I like, see a lot of ~ ~ the question is not satisfied, reward 5 or 10] fast! ~ ~ ~ ~ ~ Curse roll, that "enthusiastic netizen", what enthusiastic, curse, so dare not reveal name only
6. There are 400 oral math problems in the fifth grade of primary school Scores are OK
7. Mathematics diary of unit 1 in Volume 2 of grade 5
8. Mathematics Grade 5 Volume 2 mathematics diary 200 words
9. Fractional addition and subtraction (1) / (x + 1) + (2) / (x + 1)
10. Two questions about the eighth grade fraction If the solution of the equation 2x + A / X-1 = 1 of X is positive, then the value range of a is? If the fractional equation x-a / x-1-3 / x = 1 for X, then a is equal to? Where (/) denotes the fractional line Supplement: the second problem is that if the fractional equation x-a / x-1-3 / x = 1 about X has no solution, then a is equal to? Where (/) denotes the fractional line
11. For all such primes, it is not only the sum of two primes, but also the difference of two primes?
12. The two prime numbers with difference 1 are (and), and their least common multiple is ()
13. The difference between the two prime numbers is one. The two prime numbers are () and ()
14. The two prime numbers whose difference is 1 are______ And______ ．
15. How many primes are there within 100
16. How many primes are there in 100? Quick
17. Prime number of 100
18. How many primes are there from 1 to 100? How many primes are there from 1 to 100?
19. What is the sum of the largest prime number and the smallest prime number in 1-100
20. Why is a number divisible by 2 and sqrt (m) prime