There are many students in the two colleges;

More is less,

Less is more. Answer: abacus

1. The rising sun rises (with a number) 9

You expect me to come, I expect you to come. (type a mathematical noun) equals

3. 1: 1 (to use an idiom) Even.

4. Two cows fight diagonally (hit a mathematical noun)

5. Bye, Mom! Denominator (type a mathematical noun)

6.fifty cents (a geometric noun) and half a garden (half a dollar)

7.0.3 yuan triangle (a geometric noun)

8. 15 points, 1000 yuan (to use an idiom), 1,000 yuan a moment.

9. Two cows are facing (with a mathematical symbol) braces.

10. What can I save the world map (enter a project name)?

1 1.

12. Head of State as an accountant (with a mathematical noun) statistics

13. Make a clean break (hit a mathematical term) score

Answer: 1. The rising sun rises (with a number) nine.

You expect me to come, I expect you to come. (type a mathematical noun) equals

3. 1: 1 (to use an idiom) Even.

4. Two cows fight diagonally (hit a mathematical noun)

5. Bye, Mom! Denominator (type a mathematical noun)

6.fifty cents (a geometric noun) and half a garden (half a dollar)

7.0.3 yuan triangle (a geometric noun)

8. 15 points, 1000 yuan (to use an idiom), 1,000 yuan a moment.

9. Two cows are facing (with a mathematical symbol) braces.

10. What can I save the world map (enter a project name)?

1 1.

12. Head of State as an accountant (with a mathematical noun) statistics

13. Make a clean break (hit a mathematical term) score

12345609 (scattered) 1256789 (scattered) 333 555 (in groups of three or five) 3.5 (no three no four) 510 (1510) 9 inches+.