Xiao Ming s bathroom is 3 meters long, 2 meters wide, 2 8 meters high, with windows and doors

Let's start with the total area. Square metre.

Then subtract the area of the doors and windows, 28-4 = 24 square meters, and this area is the area to be tiled.

Calculate the area of a tile, the tile data unit you give here should be centimeters, that is, centimeters) = square meters, and finally divide the area of tiles that need to be paved by the unit area of tiles 24 The answer is 600 fast satisfaction points.

(3+2)*2*sqm; Square metre. Block. A: At least 840 tiles are needed to be less fast.

First calculation area: 3 2 square meters).

Counting tiles again: 20 20 = square meters).

At least: blocks).

(2*28-4=24㎡

20cm=24 blocks.

3 2 square meters) = 128000 (square centimeters).

20 20 = 400 (square centimeters).

128000 400 = 320 (block).