1, the number that is not divisible by 2 is ().

A, prime number b, odd number c, composite number d, even number

2, the radius is the center of the circle to any point on the circle ().

A, straight line b, broken line c, ray d, line segment

3. If the reciprocal of a number is greater than it, the number is ().

A, > 1 b, = 1 c, < 1 d, uncertain.

4.100g salt water contains10g salt, so the weight ratio of salt to water is ().

a、 1∶9 b、 1∶ 10 c、 1∶ 1d、 10∶ 1

Fill in the blanks. 20 points

1, a number with 9 digits in millions and thousands, 5 digits in percentiles and 0 digits in the rest. This number is written as () and rounded to ten thousand digits, which is about () ten thousand.

2.2.375 The unit of the score converted into the simplest score is (); Add at least () such decimal units into an integer.

3. The two prime numbers whose difference is 1 are () and (), and their least common multiple is ().

4. If the results of 2/3 of A and 3/4 of B are equal, then A: B = (): (), and their ratio is ().

5. There is a ton of chemical fertilizer, and it takes 1.2 tons every day. After using it for b days, there are () tons left.

6. The rectangle is 4cm long, 2cm wide and 1 cm high. Its surface area is () and its volume is ().

7. Master and apprentice produce a batch of parts, and the quantity ratio they produce is 5: 3. Known apprentice production 150, master production (). There are () parts in this batch.

8, 5 hours and 24 minutes = () hours, 78,050 square meters = () hectares.

9、 14∶( )=0.7=( )/4=7÷( )=( )%

10. On the right is a statistical map of people riding bicycles. Look at the pictures and fill in the blanks.

This man walked () kilometers.

I rested for () hours.

(3) From 9: 00 to 9: 30, the driving speed is () km/h..

Third, judge the question, check the right one and the wrong one. 4 points

1, the sum of the upper bottom and the lower bottom of the trapezoid is certain, and their areas are directly proportional to their heights. ( )

2,5/8 tons is to divide 1 ton into 8 parts and take 3 of them. ( )

3. The sum of the products of two prime numbers must be a composite number. ( )

4, a fraction, the greater the denominator, the greater the score value. ( )

Fourth, calculation.

1, direct writing number: 8 points.

1-0.57= 12.5× 16= 5- 1.47-2.53= 14÷2 1=

5/ 12÷ 1/ 1/4= 1/ 1/3-2/3= 3/4×0.2= 2/5÷2/3×3=

2. Find the value of x: 4 points.

1/2/3-4x = 1.4 8∶x = 1/3∶ 1/4

3. Calculate with recursive equation: 18 points.

10944÷36×25-758 132.5- 18÷7.5+7.6

(2-3/4×4/5)÷( 1/ 12+4/ 15) (0.4+2/3)÷(5/6-0.75)×0.5

4.5÷〔0.72×(0.5+ 1/5/6)-0. 18〕 6.3×〔( 10-3/ 1/2)× 1/ 13〕÷ 1/4/5

4. Find the area of the shaded part on the right. (Unit: cm) 4 points.

5. Column calculation: 8 points.

What is the quotient of 1.05 divided by 8/ 1/2 minus 4.3?

The number of 32 less than 4/5 is 8.8. Find this number. (Equation solving)

Verb (abbreviation of verb) Application problem: 30 points.

1, only the column type is not counted: 6 points.

For a manuscript, A will type for 20 minutes alone, and B will type for 15 minutes. How many minutes will two people type together?

A tape recorder used to be used in every 240 yuan, but now every 200 yuan. What percentage does it cost?

1 month, the fertilizer plant produced an average of 65,438+085 tons of fertilizer every day, 5 tons more than the daily output in the same period last year. How many tons was the daily output in the same period last year?

2. Yuan Dongfeng Nail Factory produces1600kg nails in five days. According to this calculation, how many days will it take to produce 2400kg nails? (Use proportional solution)

3. The fruit shop delivered 450 Jin of apples, and sold out 15 baskets, leaving 1 12.5 Jin. If each basket weighs the same, how many baskets of apples will * * * send?

4. A bag of rice ate 3/ 10 on the first day, and 10 Jin on the second day, which was 2/5 of this bag of rice in two days. How many kilograms is this bag of rice?

5. The distance between Party A and Party B is 480 kilometers, and the bus and truck leave the two places at the same time and drive in opposite directions. Four hours later, the distance between the two cars is still 80 kilometers. It is known that trucks travel 53 kilometers per hour. How many kilometers does this bus travel per hour?

6. There are1600kg vegetables and radishes in the market. Radish is known to account for 60% of them. Later, a batch of vegetables arrived. At this time, the weight ratio of radish to vegetables is 4: 3. How many kilograms of vegetables are there on the market now?