The playground will build a cuboid swimming pool, 40 meters long, 10 meters wide and 1.5 meters deep. The walls and floor of the pool will be paved with ceramic tiles, if 25 tiles are used per square meter How much is it?

Bottom area: 40 × 10 = 400 square meters
Side area: 2 × (40 × 1.5 + 10 × 1.5) = 150 (M2)
Ceramic tiles required: (400 + 150) × 25 = 13750 (pieces)

The length of a swimming pool is 15 meters, the width is 10 meters, and the depth is 2 meters?

Because it is a swimming pool, there is no need to paste on the upper surface, so the area to be pasted is:
15 * 10 + 15 * 2 * 2 + 10 * 2 * 2 = 250 (M2)

A swimming pool is 50 meters in length, 25 meters in width and 2 meters in depth. How many tiles are needed to paste 4 square decimeters on the four walls and bottom of the swimming pool?

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