2. Xiaojun is sitting in the third row and the fourth column of the classroom. The number pair indicates (,), and the number pair (2,5) indicates the first row and the () column.

3.5.375 has () 18, and () 18 is 12.

The least common multiple of 4.32 and 54 is (), and the common factor is ().

5. If 0.5X=0.25, then x-0.08= ().

6. The radius of a circle is 3 decimeters, and its area is () square decimeters.

7.a and B are two natural numbers, a=36, so the common factor of A and B is (), and the minimum common multiple is ().

8. A simplest true fraction, the product of its numerator and denominator is 12, and this fraction is () or ().

9. 12 is divisible by 3, 3 is () of 12, and 12 is () of 3.

10. A rope is 40 meters long and has been used for 10 meters. The () () of this rope has been used, leaving the () () of this rope.

11.2115, 1524, 7 13,116.

What can be reduced to a finite fraction is ().

In the natural number of 12.L ~ 9, () is not an even number, but a composite number; () is neither a prime number nor a composite number.

Second, fair judgment (65438+ 0 points for each question, ***5 points)

1.8 is divisible by 0.2. ( )

2. The smallest prime number is 2. ( )

A multiple of a number must be greater than its factor. ( )

4. The least common multiple of two numbers must be greater than two numbers. ( )

5. When the numerator is L, the greater the denominator, the greater the score. ( )

Third, merit-based admission (2 points for each question, *** 16 points)

1. The solution of equation 0.4X= 1.2 is ().

A.3 B.X=3 C.X =0.3

2. If the least common multiple of A and B is A, then the common divisor of A and B is ().

A B company

Give three puppies two loaves of bread, and each puppy gets () loaves of bread.

A.23b. 13c。 Not sure.

4. Among the three numbers 169, 1025 and 269 1, the simplest score is ().

269 1

5.a is a non-zero natural number, and the relationship between A and a+ 1 is ().

A. coprime B. non-coprime C. uncertainty

6. The score is greater than 49 and less than 59 ().

A. there is no b, only one c, and there are countless.

7. If n is odd, then n+2 ().

A is an odd number B. It is an even number C. It cannot be determined.

8. Xiaoming and Xiaojun participated in the 100 meter race. Xiaojun 13, Xiaoming 0.25.

Clock, ().

A. Xiaojun runs very fast. Xiaoming runs very fast. C. as fast.

Four, fast calculation (24 points)

1. Find the common factor and the least common multiple of each group of numbers below. (8 points)

2l and 8, 36 and 8l

2. calculation. (Simplification that can be simplified) (12 points)

49 + 56 + 59 67 -( 67 - 12 )

1-( 56 + 1 12 ) 23 - 18 - 16

3. Look at the chart equation and answer it.

Verb (abbreviation of verb) operating platform (6 points)

The following is the statistics of the number of students in Hongqi Primary School. According to the data in the table, complete the following statistical chart.

Number Grade Gender Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6

Male students 35 45 38 40 54 52

Female students 40 42 45 48 52 56

Statistics on the number of boys and girls in Hongqi Primary School

time

Boys and girls

30

25

20

15

10

five

First, second, third, fourth, fifth and sixth grades.

Transitive Verb Ability Transfer (1 question 5, 2-4 question 6, * * * 23)

1. A vegetable field, its 13 kinds of vegetables, its 12 kinds of spinach and the rest kinds of radishes. What is the proportion of radish planted in this land?

2. Two trains depart from two places with a distance of 5 10 km. The running speed of train A is108.8km, and that of train B is 61.2km.. How many hours did two trains meet on the road?

3. For a project, Party A works alone for 6 days, and Party B works alone for 8 days. How many parts of this project have Party A and Party B completed in one day?

Xiaohong and Xiao Fang had 60 cards. After Xiaohong gave Xiao Fang six pictures, they had the same number of pictures. How many photos do they each have?

Students, be sure to check your papers carefully after you finish them. I believe you can achieve better results!

Attached:

Reference answer

I. 1.4400 234 2. (4,3) 253.434 4.864 25.0.42

6 . 28 . 26 7 . ba 8.34 1 129。 Factor multiple

10. 14 34 1 1. 1524 7 13 1 1 16 ; 2 1 15 ; 2 1 15 1524 1 1 16 12.9 1

Two. 1 .× 2.√ 3 .× 4 .× 5 .×

Three. 1.b2.b3.c4.a5.a6.c7.a8.b。

4. 1. The common factor is L, and the minimum common multiple is168; The common factor is 9 and the least common multiple is 324.

2. 156 12 1 12 38 3.X= 12.2 X=9.7

Verb (abbreviation for verb) negligence

6. 1. 16 2.3 hours 3. 724 4.36 24