Students, five years have passed quickly. I believe that you will be more serious and work harder than before in the math exam that bid farewell to your alma mater for the last time. You will report to those who care and love you with excellent results-I can do it!

First, think carefully and fill in carefully. (Per grid 1 minute, ***24 points)

The decimal unit of 1 is (). Add decimal units like () to get the unit "1".

2. Of the three numbers, the largest number is () and the smallest number is ().

3. Divide the 3-meter-long iron wire into five sections on average, each section is () meters long and each section is () meters long.

4. In the numbers 2, 23, 36, 47, 65, 7 1,11,

Odd numbers have (); Even numbers have (); Prime numbers have (); The composite number has ();

5、9÷ 15= = = ( )÷5

6. There are 8 bottles of medicine, 7 of which are of the same quality, and the other bottle is missing 5 pills. It takes at least () times to find this bottle of medicine.

7.3.2 1 m2 = () l = () ml

7.2 liters = () cubic centimeters = () cubic meters

8. Splice three small cubes with a side length of 2cm into a cuboid, and the surface area of the cuboid is less than the sum of the surface areas of the three small cubes () square centimeters.

9. To make a cuboid 5 cm long, 4 cm wide and 4 cm high, at least () cubic centimeters of wood is needed. If you want to draw the surface of a cuboid block, the drawing area is () square centimeters.

10, the surface area of a cube is 150 square decimeter, and the volume is () cubic decimeter.

1 1. From 3 pm to 9 pm, the clock turned clockwise () degrees.

The prime factor of 12 and 48 is ().

Second, the small referee (each question 1 point, * * *1point)

1, any nonzero natural number has at least two factors.

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