The price of a brand of computer is reduced by 20% after the original price is reduced by M yuan. Now the price is n yuan?

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RELATED INFORMATIONS

1. With the rapid development of computer technology, the price of computer is constantly decreasing. After the original price of a brand of computer is reduced by M yuan, the price is reduced by 20%. Now the price is n yuan, so the original price of the computer is______ Yuan
2. With the rapid development of computer technology, the price of computer is constantly decreasing. After a brand of computer is reduced by M yuan according to the original price, the price is reduced by 20%. Now the price is n yuan, so the original price of the computer is () A. (45N + m) yuan B. (54n + m) yuan C. (5m + n) yuan D. (5N + m) yuan
3. The original price of the color TV is 3600 yuan, but the current price is 2952 yuan. How much lower is it than the original price?
4. The current price of a TV set is 4140 yuan, 360 yuan lower than the original price. How much is the current price lower than the original price?
5. After 18% price reduction, the price of a TV set is 2050 yuan per set. How much is the original price of this TV set?
6. The original price of a TV set is 3600 yuan and the current price is 2400 yuan. How much is the current price lower than the original price? (keep one decimal place)
7. How much is the original price of this color TV set? Xiao Zhou read 60 on the first day, 33 on the second day and 2 / 5 on the third day. How many pages are there in total
8. The current price of a laptop is 4800 yuan, 20% lower than the original price. How much is the original price?
9. The original price of a commodity is 4500 yuan. For some reason, after the price is increased by 20%, the price is reduced by 20%. How much is the current price~
10. The original price of a notebook is 3200 yuan, but the current price is 3000 yuan. How much is the price reduction?
11. The original price of a computer is 7200 yuan. In June, the price was increased by 1 / 6 and then decreased by 1 / 7. What is the current price of this computer? Is the original price high or the current price high?
12. The original price of a brand computer was 7000 yuan. During the May Day activity, the price was reduced by 1 / 5. After the activity, the price was increased by 1 / 8. How much is it now?
13. The original price of a brand of computer was 7000 yuan, but now the price is reduced by 15 yuan. How much is the price now?
14. The original price of a TV set is 3000 yuan, and the current price is 70% off?
15. The original price of a TV set is 3000 yuan. What's the price after 5% reduction?
16. Now the price of a color TV set is 200 yuan lower than that of the original set, 1 / 6 lower than that of the original set. How much is the original set
17. There is a kind of color TV set in the home appliance city. Now the price of each TV set is 2895 yuan, which is 25% cheaper than the original price. How much cheaper is it now?
18. A kind of color TV set, now 2400 yuan per set, 350 yuan lower than the original price, how much lower
19. A TV set was reduced from 3500 yuan to 3000 yuan in a discount activity held in an electrical appliance store, which was reduced by several percent
20. Now it costs 1900 yuan to buy a color TV set. 600 yuan less than before. How much lower is the price of the color TV set?