20 10 Henan junior high school academic level and senior high school entrance examination papers

mathematics

First, multiple-choice questions (3 points for each small question, *** 18 points)

The reciprocal of 1 be

(A) (B) (C) (D)

2. The annual GDP of our province in 2000 increased by 10.7% compared with 2008, reaching about1936.7 billion yuan. 1936.7 billion yuan is expressed by scientific notation as follows

Yuan (B) Yuan

(C) Yuan (D)

3. In a physical education test, the standing long jump scores of six students in Class 3, Grade 9 (unit: m) are as follows:

1.71,1.85,1.85,1.96, 2.10, 2.31. ...

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