The side length of a cube is 1 meter. How many cubic meters is its volume? How many cubic meters can you divide it into

The side length of a cube is 1 meter. How many cubic meters is its volume? How many cubic meters can you divide it into

The volume is 1 * 1 * 1 = 1 cubic meter
The volume of cube with side length of 0.01M is 0.01 * 0.01 * 0.01 = 0.000001
Then it can be divided into: 1 / 0.000001 = 1000000

The volume of the cube has increased from 27m ^ 3 to 27.3m ^ 3. How much has his side length changed

The original side length is 3, let the side length change x, so (3 + x) ^ 3-27 = 0.3, so there is 27 + 27x + 9x ^ 2 + x ^ 3-27 = 0.3, because x ^ 2 and x ^ 3 are infinitesimals of higher order of X, which can be rounded off, so 27x ≈ 0.3, that is, X ≈ 0.0111

How long is the square steel with a cross-sectional area of 30x30mm2 to forge rectangular rough blanks with length, width and height of 300mm, 200mm and 60mm respectively?

Let the length of X be intercepted
30*30*x = 300*200*60
x = 40000

One floor tile 300 * 300 mm
How much is 300 * 300 mm?
What does 6 * 6 mean
How much is 800 * 800? How to calculate?
And how to square? White dot

300 by 300, 600 by 600, 800 by 800 refers to the size of ceramic tile. The unit of 300, 600, 800 is mm, which is usually called mm. The calculation area is converted into meters. Take 300 * 300 as an example: that is, 300 mm is equal to 0.3 meters, and the area of a square tile is 0.3 by 0.3 is equal to 0.09 square meters, Divide 1 square meter by 0.09 square meter equals 11.111 tiles. That is to say, 11.1 300 * 300 tiles is a square. If the price of a 300 * 300 tile is 2 yuan, the price of a square meter tile is 11.1 times 2 yuan, which is 22.2 yuan per square meter

There are 8 steps in front of the school library gate, each of which is 10 meters long, 0.4 meters wide and 0.3 meters high. (1) how many square meters does the 8 steps cover? (2) how many square meters of floor tiles are needed to pave these steps
Others say
Paving steps is equivalent to flattening the steps, and then seeking the same area
Therefore, length after leveling = 10 width = (0.4 + 0.3) * 8 = 5.6
Therefore, the floor tile area = 5.6 * 10 = 56 square meters
Can be 0.4 plus 0.5

Floor area = 0.4 × 8 × 10 = 32 (M2)
Floor tile area = (0.4 + 0.3) × 10 × 8 = 56 (M2)

There are 10 steps in front of the library. Each step is 6 meters long, 0.3 meters wide and 0.2 meters high?
(2) How many square meters does the 10 steps cover?
Note that there are two questions in one!
5 seconds

A total of (0.3 + 0.2) * 10 * 6 = 30 square meters
2. It covers an area of 0.3 * 10 * 6 = 18 square meters

A swimming pool is 50 meters long and 20 meters wide. It is surrounded by white porcelain tiles 2 meters wide. (1) how much is the area of the swimming pool and the area of the tiles?

Swimming pool area: 50 * 20 = 1000 (M2)
Floor tile area: (50 + 2) * (20 + 2) - 1000 = 52 * 22-1000 = 1144-1000 = 144 (M2)

There are 6 steps in front of the teaching building, each step is 8 meters long, 0.3 meters wide and 0.2 meters high
(1) How many square meters does the six steps cover?
(2) How many square meters of floor tiles do you need to lay these steps?

It covers an area of 0.3 * 6 * 8 = 14.4 square meters
Floor tiles required (0.3 + 0.2) * 6 * 8 = 24 M2

There are 8 steps in front of the school library gate, each of which is 10 meters long, 0.4 meters wide and 0.3 meters high. How many square meters does the 8 steps cover

10 × 0.4 × 8 = 32 square meters

There are 6 steps in front of the cinema gate, each step is 6 meters long, 0.3 meters wide and 0.2 meters high
(1) How many square meters does the six steps cover

6 * 6 * 0.3 = 10.8 square meters
A: the six steps cover a total area of 10.8 square meters