2. There are two scales () and (). 1: 5000000 means that 1 cm on the map is equivalent to the actual () meter.
3.r represents the radius of the bottom of the cylinder, h represents the height of the cylinder, and v represents the volume. Write the volume letter formula of cylinder (). If the cylinder is 8cm in diameter and 1.2dm in height, the volume is ().
4. If () and () of a cylinder are equal, the lateral expansion is square.
5. The radius of the cone bottom surface is enlarged by 3 times, and the height is reduced by 6 times, and the volume is ().
6, a cube with a length of 2 decimeters, cut into the largest cylinder, the volume is smaller than the original ().
7. A cylinder and a cone have the same bottom and height. It is known that the volume of the cone is 24 cubic decimeters smaller than that of the cylinder, and the volume of the cone is () and the volume of the cylinder is ().
The ratio of 8.0.2: is (), which is () after simplification.
9. If 3A=4B, then a: b = (): (); If B= 1.2, then A= ().
10, the simplest ratio of radius to diameter of a circle is (), and the simplest ratio of radius to circumference of a circle is ().
1 1, the circumference is proportional to (), and the radius and diameter are proportional to ().
12. Put 37 white rabbits into 9 cages, and at least () rabbits should be put in one cage.
Final examination paper of sixth grade mathematics
Fill in the blanks. 1 question 2 points, the rest questions 1 point, ***22%.
1, 2- hectares = _ _ _ hectares _ _ square meters 2- hours = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
2, 120 kg-is _ _ _ _ kg 72 hectares less than _ _ _—
3、30:( )=——=( )÷—= 1—=( )%
4. fill in ">" in ().