A cube glass jar, 4 decimeters in length, is filled with water. Pour all the water into a rectangular bucket, 8 decimeters in length, 5 decimeters in width and 10 decimeters in height, How high is the water in the bucket?

A cube glass jar, 4 decimeters in length, is filled with water. Pour all the water into a rectangular bucket, 8 decimeters in length, 5 decimeters in width and 10 decimeters in height, How high is the water in the bucket?

4³÷（8×5）=1.6dm

Is there a cube water tank with the edge length of 6dm? After it is filled with water, pour it into a cuboid water tank and measure the water depth of 3DM. What is the bottom area of the cuboid water tank?
Write out the process

The volume of water is definite
So we can do it based on this
Volume of water = 6x6x 6 = 216 (cubic decimeter)
Bottom area = volume / height
Bottom area = 216 / 3 = 72 (square decimeter)
A: the bottom area of this cuboid tank is 72 square decimeters
If you don't understand, you can ask again,

Fill a cubic bucket with water with a length of 6 decimeters and pour it into an empty rectangular pool with a length of 8 decimeters and a width and height of 6 decimeters. How deep is the pool

6 * 6 * 6 = 216 (cubic decimeter)
8 * 6 = 48 (square decimeter)
216 / 48 = 4.5 (decimeter)
A: the pool is 4.5 meters deep