Answer: One yuan twice.

2. Two sheep fight

Answer: The vertex angle is opposite.

3. It's completely cost-effective

Answer: absolute value

Always count money.

Answer: Constant (transfer-away method)

Both sides count on it

Answer: scores

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

Answer: concentric circles

7. Legal fees

Answer: rational number

8. Beat the mandarin duck on both sides

Answer: common denominator

9. fishing; catch fish

Answer: equal to (fish)

10. equestrian

The answer is: multiplication.

1 1.

The answer is: root-seeking.

12. prescribe the right medicine

Answer: prescription

13. Collective fishing

Answer: Ordinary vertical line

14. Divorce by agreement

Answer: approximate score

15. Painting

Answer: Boxer.