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Anonymous users2024-01-23Analysis:1Calculate the kitchen renovation area first, 2Then divide according to the area and the area of the bricks to get the number of bricks needed 3Then calculate the number of bricks X the price of bricks = the total price.
4.Finally, for the total price of the three plans, the smaller one is the best choice.
Answer: Kitchen area: 320*240=76800 square centimeters.
The first type: 80*80=6400, 76800 6400=12, 12*320=3840;
The second type: 60*60=3600, 76800 3600=,22*195=4290;
The third type: 40*40=1600, 76800 1600=48, 48*72=3456.
In line with the principle of non-waste, the first should be chosen.
1. 3 types; In the spirit of economic principles, the third option should be chosen.
To sum up, the third option should be chosen!
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Anonymous users2024-01-22Solution: 80 cm = m, 60 cm = m, 40 cm = m.
From the meaning of the title, it can be seen that the area of the kitchen is divided by the area of the floor tiles, that is, the number of floor tiles needed; Then according to the "unit price quantity = total price" to find the price required to buy various types of floor tiles.
The side length is 80 cm required :==
The required price of 10 (blocks): 320x10=3200 (yuan).
The side length is 60 cm required :==
The price required for 13 (blocks): 195x13=2535 (yuan).
The side length is 40 cm required :==
The price required for 20 (blocks): 72x20=1440 (yuan).
Because 1400 2535 3200, in line with the principle of economy and no waste, it is recommended that Mr. Wang buy floor tiles with a side length of 40 cm.
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Anonymous users2024-01-2140*40 becomes 80*80 and it takes 4 pieces, which is 72*4=288
8080 and 6060 a price, that must be to buy 8080.
Corners can be trimmed.
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Anonymous users2024-01-20m = 320cm m = 240cm 80 80 cm: 12 bricks, 320X12 = 3840 yuan 60 60 cm: 20-21 bricks 195X20 = 3900 yuan 40 40 cm:
To 56 bricks 72X56 = 4032 yuan A comparison can be seen to buy 80X80 is good.
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