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The fifth grade elementary school mathematics first volume unit 4 examination paper.
This "Examination Paper of Unit 4, Volume I of Mathematics in the Fifth Grade of Primary School" is specially compiled for everyone. I hope it helps you!

Unit 4 Test (Volume B)

Fill in the blanks.

1, and the formula for calculating the perimeter of a rectangle is expressed in letters as ().

2. Li Shifu makes m parts a day, 8 more than Master Zhang, and two people make * * * pieces a day ().

3. X copies of each exercise book. I bought 6 copies and handed them in to 10 yuan, so I should get back () yuan.

4. The number of A is a times that of B, and the number of A is () times that of B 。

5. () is called an equation.

6. The difference between number A and number B is 14, the sum of the two numbers is 108, number A is () and number B is ().

7.A× (7+b), when A = 5, b= () can make A× (7+b) = 52.5.

8. The circumference of a square is one centimeter, and the formula for expressing its area by letters is (). When a = 24, the square area should be () square centimeters.

Second, connect the left and right sides with a straight line.

A times a+2b.

A and add a2

2 times of 2A +3A

Half of a 2a

The number a+a that is twice larger than a times 3.

Twice the sum of a and b

Sum of 2 times of A and B (A+B) × 2

Three. Judgment (tick "√" for the right and "×" for the wrong)

(1), the equation is the equation. ()

(2)、42=4×2 ( )

(3) The solutions of 4x-20 = 4 and 50-5x = 20 are the same. ()

(4) Guangming Store sells A refrigerators in the morning, B refrigerators in the afternoon and ab refrigerators on this day. ()

(5)、2.5a+b=2.5ab()

(6)、2b×(b+c)=2b2+2c()

Four, choose (fill in the serial number)

Divide the quotient of 1 and a by 150 and subtract the difference of 20. The formula is ().

①、a \u 150-20②、 150 \u a-20

③、a( 150-20)④、 150(a-20)

2. The equation in the following formula is ().

①、x+3 ②、3+ 15= 18 ③、4a+27=78 ④、4x- 15