Riddles mainly refer to the innuendo of things or words for people to guess, and can also be extended to things with mysteries. The riddle originated from the ancient Han nationality in China, and has experienced thousands of years of evolution and development. It is a cultural product created by the collective wisdom of the ancient Han working people.

Mystery:

1.50 cents a trip

2. Two sheep fight

3. It's completely cost-effective

Always count money.

Both sides count on it

6. All shall be well, jack shall have Jill, and everything is fine.

7. Legal fees

8. Beat the mandarin duck on both sides

9. fishing; catch fish

10. equestrian

1 1.

12. Chongyang is now Chongyang.

13. Tracing back to the source

14. prescribe the right medicine

15. Dove

16. Collective fishing

17. Divorce by agreement

18. Painting

19. Team events

20.razor

2 1.

22. Who will take Lin to Cangzhou (with two mathematical expressions)

Answer:

1. One-dimensional quadratic (extrapolation algorithm)

2. Relative vertex angle

3. Absolute value

4. Constant (by-leaving method)

score

6. Concentric circles

7. rational number

8. Common denominator

9. Equal to (by law)

10. Increase

1 1. Inner angle (decomposition method)

12. Cycle part

13. Find the root

prescribe

15. Complementary angle (transition, leaving)

16. Common vertical line

17. About Integral

18. Boxers

19. Gong * * *

20. Boxer (Part of Speech Transmission)

2 1. Equiangular

22. Two solutions, the difference (question and answer method. A: Two schemes, separation is)