Monthly examination paper of sixth grade mathematics 1. Fill in the blanks. (per grid 1 min, * * 15 min)1.0.75m3 = () m31.500ml = () l 2. Attach a rectangular piece of paper with a length of 65,438+05cm and a width of 65,438+02cm. 3. If both A and B are not 0 and a×4=b×7, then A: B = (): (), and the ratio of A and B is (). .4. The circumference of the cylinder bottom is 6.28 decimeter, and the height is 10 decimeter. The surface area of this cylinder is () square meters and the volume is () cubic decimeter. 5. A cone with a base radius of 2 cm, a height of 6 cm and a volume of () cubic cm. 6. A cone and a cylinder have the same bottom and the same height. The volume of the cone is smaller than that of the cylinder 18 cubic decimeter, and the volume of the cone is () cubic decimeter. 7. The volume of a cone is 24 cubic meters, the bottom area is 12 square meters, and the height of this cone is () meters. 8. Use a cylindrical container to hold water with a height of 30 cm, and pour the water into a conical container with the same height as its bottom. The height of water is () cm. 9. Rewrite 0.5× 80 = 4× 10 into a proportional formula, which may be (). The divisor of 10 and 12 is (). Select four of them (). 2. True or false questions (each question 10) 1. There is a cylinder and a cone with the same bottom radius and height. The volume of a cylinder is 6 cubic decimeters, and the volume of a cone is 2 cubic decimeters. () 2. After unfolding, the side of the cylinder must be rectangular. () 3. The height of a cone is constant, the bottom area expands to 6 times, and the volume of this cone also expands to 6 times. () 4. A cone with a base radius of 6 cm? /