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Who gave me this math riddle?
1, horizontal view is ruler, vertical view is stick, smallest, boss, it must be. Answer: 1.

2, like an egg is not an egg, it is said that it is round or not, and it is said that there are thousands of them connected in a string. Answer: 0

3. Five four three two one. Answer: Countdown.

4. bargaining. Answer: business.

You expect me, and I expect you. Answer: Equality.

6, this head is really smart, blinking, carrying it in the southeast and northwest, it is not difficult to add, subtract, multiply and divide. Answer: Calculator.

7. The four brothers are as long as each other and are framed in pairs. Parade formation is often used, with four axes of symmetry. Answer: Square.

8. Members. Answer: the center of the circle.

9. One plus one is not two. A: Wang.

10, one minus one is not zero. Answer: Three.

1 1. Seven eighths. Answer: Seven ups and eight downs.