2. The water depth in a fish tank with a length of 12 decimeter, a width of 8 decimeters and a depth of 6 decimeters is 4.5 decimeters. If a toy submarine is completely submerged and the water in the fish tank overflows 5.5 liters, what is the volume of the toy submarine?
I hope primary school has a cuboid classroom with a length of 10 m, a width of 6 m and a height of 3.5 m.
(1) How big is the space in this classroom?
(2) At present, the four walls of the classroom need to be tiled with a height of1.2m.. What is the tile area of this classroom after deducting 6 square meters of doors, windows and blackboards?
3. 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?
4. Cut two ribbons of 45cm and 60cm into short ribbons with the same length, and each short ribbon should be of the same length, and there should be no redundancy. How many kinds of scissors are there? If each paragraph is required to be the longest, how many paragraphs can a * * * be cut into?
5. When the height of a cuboid is reduced by 3cm and the surface area is reduced by 72cm2, it becomes a cube. What is the volume of this cube?
6.
The following is a record of girls' long jump performance in Class Kloc-0, Grade Five. Please complete the following statistics according to the results. (Unit: meter)
2.5
2.35
2.57
3.05
2.83
2.5
2.83
2.92
2.45
2.80
2.5
2.62
3. 10
2.60
Statistics of girls' long jump performance in Grade 5 1 class.
achievement
Below 2.4 meters
2.4 ~ 2.69 meters
2.7 ~ 3 meters
More than 3 meters
number of people
Fill in the blanks according to this statistical table:
(1) The girls' long jump performance in this class is the largest ().
(2) The best result of girls' long jump in this class is ().
(3) The median score of girls' long jump in this class is (), the mode is (), and the average score is ().
Sorry, statistics can't be entered.