(1) 3 out of 10

RELATED INFORMATIONS

• 1. As shown in the figure, if the initial input x value is 48, we find that the first output result is 24, the second output result is 12 Then the output result of the 2013 is______ ．
• 2. 1. If a worker works for you for 7 days, his reward is a gold bar, but you must give him a gold bar at the end of each day. If you are only allowed to break the gold bar twice, how do you pay the worker? 2. The white snake is 80 feet long. It was driven by the monk Fahai with magic and entered the cave at the speed of 15 / 2 feet in 5 / 14 days. However, the White Snake and he are not reconciled. Its tail grows at the speed of 11 / 4 feet in 1 / 4 days. Now I ask you: how many days does it take for the white snake to enter the cave? (to be listed)
• 3. 1. There are six taxis in a taxi parking station. After the first taxi leaves, a taxi leaves every four minutes. After the first taxi leaves for two minutes, a taxi enters the station. After that, a taxi returns to the station every six minutes. After the original taxi leaves for one time, another taxi leaves every four minutes, Can't the station leave on time? 2. Someone can go to work by train or car. If he goes to work by train in the morning, he will go by car in the afternoon, and vice versa. In X days, he will go by train 9 times, by car 8 times in the morning, and by train 15 times in the afternoon. What is x? 3. Simplification: i3x-1i + i2x-1i 4. If the value of 2x + i4-5xi + i1-3xi + 4 is constant, find the condition of X and the value of this constant 5. Known a
• 4. Mathematical problems about calculators 4 /（1 ab/c 4 - 1 ab/c 3 ）=?A、48 B、-48 C、28 D、-28 The / after 4 above means divide by
• 5. About selling calculators! 1、 Oriental specialty store specializes in selling calculators of a certain brand. The purchase price is 12 yuan / piece and the selling price is 20 yuan / piece. In order to promote sales, the specialty store decides to buy more than 10 calculators, and the selling price will be reduced by 0.10 yuan for each additional one (for example, if someone buys 20 calculators, the price can be reduced by 0.10 * (20-10) yuan, and the price can be 19 yuan / piece), but the minimum is 16 yuan / piece (1) How many at least can customers buy at the lowest price? (2) Write out the functional relationship between profit y (yuan) and purchase quantity x (pieces) when x pieces are purchased at one time (x > 10); (3) One day, a customer bought 46 and another customer bought 50. The exclusive store found that the profit of selling 50 was less than that of selling 46. In order to make more money each time, and other sales conditions remained unchanged, how much should the lowest price of 16 yuan be raised at least? Why?
• 6. Math problem: press the calculator for me 260 + 50 * radical 5 =? 60 * the product of radical 2 divided by the sum of 2 and radical 2 Three eighths times the product of the root 41 plus nine sixteenth times the root 89 2 decimal places The first answer is the best
• 7. Math problems with calculator What is the cube root of 527? What is the cube root of 0.3612? What is the cube root of three fourths?
• 8. A mathematical problem is calculated by computer If the number key 5 of your calculator is broken, please find a way to use other number keys to calculate the following questions （1） 4560/60 （2）18*57 （3）1242/54
• 9. Mathematical problems of electronic flea At a certain point K0 on the number axis, the electronic flea picks one unit to K1 to the left, jumps 3 units to K2 from K1 to the right in the second part, jumps 5 units to K3 from K2 to the right in the third part, jumps 7 units to K4 from K3 in the fourth step... Jumps 100 steps according to the above rule, the number shown is 2009 (k100), what is the number shown in the initial position K0 of the electronic flea
• 10. What do you mean by the computer in the math problem
• 11. Observe the law of the following kind of numbers 0.1.3.6.10.15. What is the number 2006 (expressed by formula)
• 12. A and B are running on a 400 meter circular track. If they start in the same direction, they meet every 3 minutes. If they start in the opposite direction, they meet every 40 seconds. What are their respective speeds? (a is faster than B)
• 13. The price of a computer is now two fifths lower than the original price, which is exactly 800 yuan lower. How much is the original price of this computer
• 14. A computer is now 2 / 13 lower than the original price, which is just 800 yuan lower. How much is the original price of this computer?
• 15. The current price of a computer is 2 / 15 lower than the original price, which is just 800 yuan lower. How much is the original price of this computer? (equivalent relationship) for help~
• 16. The current price of a computer is 2 / 15 lower than the original price, which is just 800 yuan lower. How much is the original price
• 17. The price of a laptop is reduced by 1 / 9 at first, and then increased by 1 / 9. Is the current price lower or higher than the original price What's the formula
• 18. The original price of a down jacket was 600 yuan. First, the price was increased by 4 / 1. Later, a sales promotion was held and the price was reduced by 4 / 1. How much is the current price?
• 19. The original price of a commodity is 140 yuan. First, the price is increased by 25%. Later, due to promotion, the price is reduced by 25%. How much is the current price?
• 20. A school plans to buy a number of computers, first learned from two shopping malls that the price of the same model of computer is 4000 yuan, and there are certain discounts for buying more computers The preferential terms of a shopping mall are: the first one is charged according to the original quotation, and the other one is 25% off. The preferential terms of B shopping mall are: 20% off (1) If you buy in a mall, you need to charge (); if you buy in B mall, you need to charge () (2) Under what circumstances are the charges of the two shopping malls the same? Under what circumstances is it more favorable to buy in a shopping mall? Under what circumstances is it more favorable to buy in B shopping mall?