1. How many square decimetres of glass does it take to make a rectangular bathtub (without a cover) with a length of 8 decimetres, a width of 4 centimetres and a height of 6 centimetres? If glass costs 4 yuan per square decimeter, how much does it cost to buy glass at least? 2. A room is 6 meters long, 3.5 meters wide and 3 meters high, with 8 square meters of doors and windows. Now, the walls and top of this room should be painted with cement. What is the area of cement painting? If you need 4 kilograms of cement per square meter, how many kilograms does a * * * need? The length of a cube stone is 5 decimeters and the weight is 2.7 kilograms per cubic meter. How much does this stone weigh? 4. A box of biscuits is 20cm long, 15cm wide and 30cm high. Now, you should put a trademark paper around it. What is the area of this trademark paper? A rectangular stone, its cross-sectional area is 36 square decimeters and its length is 0.8 meters. If the stone of 1 cubic decimeter weighs 2.7 kilograms, how many kilograms does this stone weigh? 6. A cuboid medicine can hold 60 liters of medicine. It is known that the medicine pot is 5 centimetres long and 3 centimetres wide. What is its depth? 7. There is a cubic iron block with a side length of 80 cm. Now it is necessary to melt it into a cuboid with a cross-sectional area of 20 cm. What is the length of this cuboid? 8. Put two cubes 5 cm long together to form a cuboid. What is the surface area of this cuboid? 9. A section of rectangular steel, with a length of1.6m and a cross section of 4cm square. It weighs only 7.8 grams per cubic centimeter. How much does this square steel weigh? 10. Make an uncovered cuboid oil drum with iron sheet. The length and width are 4 decimeters and the height is 6 decimeters. How many square decimetres did the iron sheet use? Put gasoline in a barrel, and each liter of oil weighs 0.82 kg. How many kilograms of gasoline can this barrel hold? 1 1. The bottom of a cuboid is a square with a side length of 10 decimeter and a height of 6 decimeters. What is the sum of the sides of this cuboid? What is the floor space? What is the surface area? What is the volume? 12. A cuboid glass tank, measured from the inside, is 40 cm long and 25 cm wide, and the water depth in the tank is 12 cm. After a stone is immersed in water, the water surface rises to 16 cm, and the volume of the stone is found. 13. The distance between Party A and Party B is120km. It took someone five hours to get from A to B by bike, and it took four hours to get back to speed up. How many kilometers per hour does he commute on average? 14. Make 12 cuboid iron chimneys, each section is 2m long, 4m wide and 3m high. How many square meters of iron do you need at least? 15. Put two cubes with a surface area of 24 square decimeters together to form a cuboid. What is the volume and surface area of this cuboid? 16. Cut the 4m-long steel bar into 6 sections on average. How long is each part? What percentage of the total length does the three sections account for? 17. It took Party A 12 hours, Party B 8 hours and Party C 9 hours to complete a project .. Three people worked together for one hour, how much is left in the whole project? 18. Two cars * * * transport goods 10.5 tons. Car A transports twice as much goods as car B, with 4 tons less. How many tons do the two cars transport? 19. A rectangular glass jar, measured from the inside, is 5 decimeters long and 3 decimeters wide. Existing water depth 1.5 decimeter. When a stone is immersed in water, the water depth is 2 decimeters. What is the volume of this stone? 20. A room is 8 meters long, 6 meters wide and 2.5 meters high. If the walls around the room are covered with wallpaper, how many square meters of wallpaper do you need * * excluding the area of doors and windows of 10 square meters? 3.5 yuan, how much is the wallpaper per square meter? 2 1. There is a swimming pool with a length of 25m, a width of12m, a depth of1.4m, and a bottom and periphery of 2m. How many square white tiles do you need? 22. A cubic container with a length of 6dm is filled with water, and all the water in the container is poured into a rectangular sink. From the inside, the water tank is 6dm in length, 5dm in width and 8.5dm in height. How deep is the water filled in the water tank at this time? How many liters of water should I pour in to refill the tank? 23. In Yu Ying, there are 120 students in the senior grade, 130 students in the middle grade and 140 students in the lower grade. What percentage of the whole school is in the middle grade? 24. A cuboid iron box with a square bottom will get a square with a side length of 40 cm if one side of it is unfolded. What is the volume of this iron box? 25. The teacher made 40 small red flowers and distributed them to the first group, the second group and the rest to the third group. What percentage of total safflower did the third group get? Hope to use reference materials:

/study/011745.htmlmore respondents are here: 59 100 1543- trainee guide level 3 6- 19 19:06. At present, there is 1 person evaluation 100% (1) instead of 0% (0). Help me find the review questions for the fifth grade of the primary school people's education edition! ? The fifth grade elementary school mathematics volume II Beijing Normal University edition final review questions? Review questions for the first volume of the fifth grade? Looking for the sixth grade English review questions of Hebei Education Press? Mathematics review in the second volume of the fifth grade? More related questions >> Look at the same topic: Other answers to mathematics in the fifth grade of primary school *** 2 empty 1. Cut the 5-meter-long rope into 4 sections on average, each section is () meters long and each section is () 2. Give 4 children an average of 3 kg of fruit, and each child will be given () kg. Master Wang made 5 pieces in 8 minutes. He can make () parts per minute. To make a part, it takes () minutes to cut the rice with a 4.5-meter-long rope, leaving () a 5-meter-long rope to cut it, leaving () a 5.0-meter plus 9 molecule. The size of the denominator plus () fraction will not change. 6. The smallest three digits divisible by 2 and 3 at the same time is () The smallest three digits divisible by 3 and 5 at the same time is () The smallest three digits divisible by 2, 3 and 5 at the same time is () The largest two digits divisible by 2 and 3 at the same time is () 2. The largest divisible digit of 5 is () 100, the largest prime number is () 50, the sum of all prime numbers is () 20, the sum of all odd numbers is () 20, and the sum of all even numbers is () 8. Three digits, one digit is the smallest composite number. This three-digit number is () 9. A basket of apples, one for two, one for three, one for four, one for five, at least () 10. A number is a multiple of 6 and a factor of 48, which may be within () 1 1.20. The number of complex numbers is () 12. The sum of all the simplest true fractions with a denominator of 8 is () The sum of all the true fractions with a denominator of 8 is () 13. The sum of the sides of a cube is 60 cm. Its surface area is () and its volume is () 14. The largest four-digit number that can be divisible by 2, 3 and 5 at the same time is () 15. Cut a big color cube into eight small cubes, and three color cubes have () squares. Cut a large color cube into 27 small cubes. 1 has () blocks painted on its surface, and () blocks are painted on its surface. A = 2× 2× 3× 5× 7b = 2× 3× 7 A and B. () The greatest common factor of A and B is () 17. A small part. Fractional value () The numerator of a fraction is magnified 3 times, and the denominator is magnified 3 times. Fractional value () is 18. When the side length of a cube is doubled, its total side length is enlarged () times, its surface area is enlarged () times, its volume is enlarged () times, its total side length is enlarged () times, and its surface area is enlarged () times. Volume magnification () times 19. There are () true fractions with the simplest denominator of 9, and their sum is () true fractions with the denominator of 9, and their sum is () false fractions with the numerator of 9, with () factors of 20.36 and () 2 1. There are 44 students and 24 girls in the class. If boys and girls are divided into equal groups, they can be divided into () groups, and each group has at most () 22. Rice is () meters. It can also be () meters. 23. The volume of a Rubik's cube is about 30 () The volume of an automobile fuel tank is about 30 () The volume of an eraser is about 8 () The length of one step is about 6 () 24. 152 The decomposition prime factor is () 25. The natural number A is 1 1 multiple of B. The greatest common factor of A and B is () The smallest common multiple of A and B is () The greatest common factor of A and B is () A is a factor of B. The greatest common factor of A and B is () 26.9. A rectangular object is 4 centimetres long, 3 centimetres wide and 2 centimetres high. If you cut it into two small cuboids, its surface area will increase by at most () square decimeter and its volume will increase by () cubic decimeter. A batch of parts, 10 qualified, 1 unqualified. Unqualified accounts for () of the total. Unit conversion: 100 minutes = () hours and 45 minutes = () hours and 225 square centimeters = () square meters (fill in fractions) 18 hours = () days (fill in fractions) 45ml=( )L (fill in fractions) 68 minutes = () hours. 1.032m3 = () cubic decimeter = () cubic centimeter1.032m3 = () cubic meter () cubic decimeter 2.05l = () cubic decimeter = () milliliter 2.05l = () cubic decimeter () The simplest fraction of the milliliter judgment question is the fraction whose numerator and denominator are prime numbers ... The sum of all true fractions with denominator of 8 is 2 ........................... () The sum of all the simplest true fractions with denominator of 8 is 2 ............ () The product of two different natural numbers must be a composite number ................... () Two different ones. Fractions whose denominators are all prime numbers are called simplest fraction molecules. What percentage of .................................................................................................................................................................. brine is water? What is the salt content in the water? How many times more water than salt? Make a square block from a rectangular block with a length of 24cm and a width of 16cm. What is the minimum length of the side of this big square? At least this small rectangular block of wood. How many pieces? Use square floor tiles to lay a room with a length of 24m and a width of 27m. The floor tiles to be used are all one block. What is the maximum length of floor tiles that can be used? How many tiles do you want to use? 4. A cubic pen container, with a total length of 36 cm and a surface area of () square cm. 5. How many square decimetres of iron sheet does it take to make an uncovered cuboid iron box with a length of 40cm, a width of 30cm and a height of 20cm? If the weight of gasoline per liter is 0.82 kg, how many kilograms of gasoline can this iron box hold? 6. Master Wang makes five parts in four hours, Li Shifu 1 1 parts in nine hours, Master Wang makes () parts per hour, while it takes () hours to make a part in Li Shifu. 7.A is greater than B. What is the sum of A and B? 8.A is, B is greater than A, what is the sum of A and B? 9. The bridge pile is driven into the river bottom for 2m, the water depth is12m, and the water surface is 2m. How long is the bridge pile?