# Junior High School Olympiad # Introduction to the Olympic Mathematical Competition or Mathematical Olympiad, referred to as Olympiad. Olympic mathematics embodies the commonality between mathematics and the Olympic spirit: faster, higher and stronger. As an international competition, the International Mathematical Olympiad was put forward by international mathematical education experts, which exceeded the level of compulsory education in various countries and was much more difficult than the college entrance examination. Olympic Mathematics has a certain effect on teenagers' mental exercise, which can exercise their thinking and logic, and it plays a more profound role for students than ordinary mathematics. The following are the comparison questions and answers of the first-year Olympic rational numbers for everyone. Welcome to reading.

1. In -5,-1 10, -3.5, -0.0 1, -2,-12, the number is (c).

A.- 12 B.- 1 10

C.-0.0 1 D.-5

2. The number of negative integers greater than -5 is (b)

A.3 B.4

C.5 D.6

3. On the number axis as shown in the figure, O is the origin, and the numbers represented by points P, Q, R and S on the number axis are A, B, C and D respectively. The following dimensional relationship is incorrect (A).

A.|a||b| D.00，b