There is a rectangular living room, 6.4 meters long and 4 meters wide. It needs to lay 80 cm square floor tiles. How many floor tiles do you need? If each tile costs 35 yuan, how much does it cost?

There is a rectangular living room, 6.4 meters long and 4 meters wide. It needs to lay 80 cm square floor tiles. How many floor tiles do you need? If each tile costs 35 yuan, how much does it cost?

80 cm = 0.8 m, 6.4 × 4 ^ (0.8 × 0.8), = 25.6 ^ 0.64, = 40 (pieces); 40 × 35 = 1400 (yuan); answer: need 40 tiles, share 1400 yuan

Use floor tiles to lay 80 decimeters long and 60 decimeters wide computer room floor. From the point of view of never wasting materials (the floor tiles used are all whole blocks), there are several kinds of square floor tiles to choose from. How many decimeters of floor tiles are suitable?

80=10*2*2*2
60=10*2*3
The maximum number of public drugs is 10 * 2 = 20
The side length is 1,2,4,5,10,20, and 20 decimeter is more suitable

A swimming pool is 50 meters long, 30 meters wide and 2 meters deep. If tiles are pasted around and at the bottom of the pool, how many square meters is the area of the tile part?

Hello
Area of tiling part:
50×30+50×2×2+30×2×2
=1500+200+120
=1820 (M2)