1, never come (guess the math term 1)
Answer: No change.
2. Needless to say (guess the math term 1)
Answer: known.
3. Move and count (guess the math term 1)
Answer: Operation.
4. Cross the river to answer (guess the mathematical term 1) A: Corresponding.
5. Do it again (guess the math term 1)
Answer: plural.
6. Recruit actors (guess the math term 1)
Answer: make up the angle.
7, eighteen pounds (guess math noun one)
Answer: Analysis.
8. Medical Department (guess the math term 1)
Answer: formula.
9. Ask people to do things (guess the math noun 1)
Answer: Looking for a job.
10, audit (guess the mathematical term 1) Answer: logarithm.