Fill it out patiently first, and then decide! (3 points × 10=30 points) 1. If the bicycle wheel rotates 200 times clockwise, it will be marked as +200 times, then the counterclockwise rotation of 150 times should be marked as _ _ _ _ _ _ _. 2. Close to the number 4. 5983 to the nearest percentile. The result is _ _ _ _ _ _ _ _ _ _. 3. The result of expressing123,000,000 by scientific notation is. 4. The number represented by a point five unit lengths away on the number axis is _ _ _ _ _ _ _ _ _ _ _. ..

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2007- 10-24 seventh grade of China normal university edition (1) midterm review of mathematics (1)

First, multiple-choice questions (3 points for each question, out of 30 points) This question is * * * in total 10, and each question gives four conclusions, code A, B, C and D. Only one conclusion is correct. Write the code of the correct conclusion in brackets after the question, with 3 points for each question. Don't choose, choose wrong or choose multiple codes. Incorrect is () (a) (-6)+(-4) = 2 (b)-9-(-4) =-5 (c) ∣-9 ∣+4 =13 (d)-9-4 =-655. ..

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2007- 10-24, the first semester of seventh grade mathematics midterm simulation test paper.

1. Fill in the blanks (2 points per grid, ***26 points) 1 reciprocal. –2 is _ _ _ _ _ _ _, 2. At noon one day, the temperature in a certain place in the north rose by 9℃ from-2℃ in the morning, and dropped by 3℃ at night. Tonight, the temperature in a certain place in the north is _ _ _ _ _ _ _ _℃. 3. Write the calculation result directly: (1) (2). 4. The algebraic expression 5m+2n can be interpreted as _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. ..

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2007- 10-24, the first semester of seventh grade mathematics midterm simulation test paper.

1. Fill in patiently (2× 10=20) 1. A shares of a stock rise in the morning on the basis of the afternoon 10% falls at night 10%, and each share is _ _ _ _ _ _ _ _ yuan at night. 2. It is expressed as _ _ _ _ people by scientific notation. 3. Given that 4x 2 ym+n and -3x6y2 are similar terms, then Mn = _ _ _ _ _ _ _ 4. Delete the brackets: A-2 (B a-2 (b-c) = _ _ _ _ _ _ _ _ 5. If I- ..

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2007- 10-24 Mid-term exam of the first semester of seventh grade mathematics

Part 1: Good luck in your seat (3 points for each small question, 30 points for * * *) 1. Four students draw several axes, as shown in the figure below. What you think is correct is () (A) (B) (C) (D) 2. Similar to 3a2b, () (A)a2 (B)2ab (C)3ab2 (D)4ba2 3. The correct number in the following statement is the meaning of () (1) algebraic formula a+2b. ..

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2007- 10-24 Mid-term examination paper of the first semester of seventh grade mathematics

Mid-term examination paper of mathematics in the first semester of grade seven 1, multiple-choice questions (3 points for each question) 1. -7 is not () A. Natural number B. Integer C. Negative number D. Rational number 2. The number represented by the origin and the point to the right of the origin on the number axis is () A. Negative B. Positive C. Non-positive D. Non-negative 3. If A and B are opposite. The following formula holds: (a.a-b = 0b.a+b =1c.a+b = 0d.ab = 0.4. The sum of all integers with absolute values greater than 2 and less than 5 is () a.7b-7c.0d. ...

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Quality inspection in the first semester of seventh grade mathematics

In the first semester of the seventh grade, the quality inspection school class name and student number multiple-choice questions (3 points for each question) 1 This year marks the 70th anniversary of the victory of the Red Army's 25,000-mile Long March. In this sentence, the data of 25,000 miles represents () A count, B sort, C measure, D mark 2, and the number opposite to │ │ is () A-B C-3D33. On June 26th, 2005, the Central Meteorological Observatory predicted the lowest temperatures in some cities as follows: Wenzhou 16℃, Shanghai 10℃, Beijing -8℃ and Harbin. ..

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The seventh grade mathematics midterm examination paper 2006-11-17

1. Fill in one (each box 1 minute, ***20 points) 1. If the water level changes when the water level rises 6m, the water level changes when the water level drops 5 m: 2. The reciprocal of-1 is _ _ _ _, and the reciprocal is _ _. Write the answer directly: (1) 2+(-6) = (2)-3-(-9) = (3) (-) × |-1| =, (4)8-(-23)=(5)-23. ..

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2007- 10-24 Mid-term Examination of Grade 7 Mathematics

Fill in the blanks in the middle-term exam name of the seventh grade mathematics (1-10,1,1 1, 4 points * *. There are _ _ _ polynomials. The coefficient of the monomial -7a2bc is _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. ..