The original price of a notebook computer is 5400 yuan, but now the price is reduced by 51%. How much is the current price of this computer? How much is the price reduced? The original price of a laptop is 5400 yuan, but now the price is reduced by 15%. How much is the current price of the laptop? How much is the price reduced? The above question is wrong. This is the question

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• 1. The current price of a laptop is 5000 yuan, 20% lower than the original price. How much is the price reduction of this laptop?
• 2. A computer costs 4500 yuan per set. After 20% price reduction, the price is increased by 20%. How much is the current price per set?
• 3. The original price of a computer is 4500 yuan, but now the price is reduced by 13 yuan. How much is the current price of each computer?
• 4. There is a computer. After a 25% price reduction, it will be 6000 yuan. How much less is the current price than the original price? Now there are two kinds of answers, one is 6000 * (1-25%) = 8000 yuan, 8000-6000 = 2000, the other is 6000 * (1 + 25%) = 7500 yuan, 7500-6000 = 1500 yuan. My method is the first one, but most people and my mother say it is the second one, because she said that since it is 6000 yuan after 25% reduction, the original price should be 1 + 25%, please ask experts for advice
• 5. After a 1700 yuan price reduction, the current price of a computer is 6800 yuan. How much is the price reduction
• 6. The original price of a notebook computer is 6800 yuan. The first price reduction is 15%, and the second price reduction is 15%. How much is the current price of the computer?
• 7. The original price of a computer is 6800 yuan, but now the price is reduced by 1700 yuan. How much is the price reduced?
• 8. The original price of a computer is 6800 yuan, but now the price is reduced by 1700 yuan, down to a few percent
• 9. The price of a computer is reduced by 10% compared with the original price of 7600 yuan for the first time and 10% for the second time. How much is the current price of the computer?
• 10. A kind of computer has been reduced by 10% compared with the original price of 8000 yuan for the first time and 10% for the second time. How much is the current price of this kind of computer?
• 11. The original price of a notebook is 3200 yuan, but the current price is 3000 yuan. How much is the price reduction?
• 12. 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~
• 13. The current price of a laptop is 4800 yuan, 20% lower than the original price. How much is the original price?
• 14. 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
• 15. 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)
• 16. 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?
• 17. 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?
• 18. 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?
• 19. 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
• 20. 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