Who knows that 123456789 forms the equation XX-XX = XX = x * XX Put 123456789 into this equation to form the equation XX-XX = XX = x * XX, and you can't repeat it
93-25=68=4*17
RELATED INFORMATIONS
- 1. Use nine numbers 123456789 to form three three digit numbers, each number can only be used once, so that the second number is twice the first number, and the third number is three times the first number
- 2. A = one-half B = one-third C, where ABC is three three digits. They are made up of nine digits 123456789. To make this equation hold, ABC is three digits
- 3. 12345679 × 9 = 11111112345679 × 18 = 222222, what law do you find
- 4. Fill in 123456789?
- 5. Observe the number of columns arranged as follows: - 3,8, - 15,24.., and answer the following questions: -Observe the number of a column arranged according to the following rule: - 3,8, - 15,24.., and answer the following questions: (1) what is the number in the fifth position? (2) please use an appropriate formula to express this rule? (3) what is the number in the tenth position?
- 6. Known as 3, - 6,9, - 12, ··· - 2004, 2007, 2010, write the 100th number in this column, and give you a big reward for the sum of the number in this column Known as 3, - 6,9, - 12, ··· - 200420072010, Write the 100th number in this column It's the sum of this column It's a great reward. Don't forget to tell me
- 7. 3, - 6,9, - 12 , - 2004, 2007, 2010, complete the following questions: (1) Write the 100th number in this column (2) Find the sum of this column
- 8. It is known that the density of bricks is 1.5 × 103kg / m3. The walls of a house are built with 25cm long, 12cm wide and 6cm thick bricks. If the total area of the internal and external walls of the house is 720M2 5. It is known that the density of brick is 1.5 × 103 kg / m3, and the wall of the house is built with 25 cm long, 12 cm wide and 6 cm thick bricks. If the total area of the internal and external walls of the house is 720 square meters, and the thickness of the wall is 25 cm, the construction of the house will need bricks_______ If the car can carry 4 tons at a time, it should be pulled at least______ It's only three times before you can pull these bricks
- 9. How many square meters is a house 2.5 meters long, 2 meters wide, 3 meters high?
- 10. 5 meters long, 4 meters wide, 2 meters high house painting, assuming that each layer of paint is 1 mm thick, how many liters of paint do you need
- 11. Use 9 numbers 123456789 to write three fractions of equal size. Each number can only be used once
- 12. 10-5 / 9 = how much 3-20 / 27-2 / 9 = how much
- 13. 2√2(√2+1/√2)-(√27-√12/√3)
- 14. Find X: 64 (x + 1) 3-27 = 0
- 15. 19 / 25 * 76 (3 / 7-1 / 34) * 7-27 / 34 can be easily calculated, thanks
- 16. (3 / 7-1 / 34) × 7-34 / 27 46-11 △ 7-7 / 1 × 3 (3 / 7-1 / 34) × 27 / 7-34 46-11 △ 1 / 7 × 3 Calculate the following questions, can be simple to calculate
- 17. Simplifying 8 to 36 is equal to
- 18. Skillfully calculate 46 + 32 + 54 546 + 785-146 0.7 + 3.9 + 4.3 + 6.1 25 * 49 * 48 * (36 * 125) 8 * 4 * 12.5 * 0.25 2.7 * 4.8 + 2.7 * 5.2 905*99+905 13*10.2
- 19. To simplify the following scores: 39 / 52, 36 / 54, 88 / 22, 77 / 21, 57 / 19 (2) divide a 7m long rope into eight sections (2) Divide the 7m long rope into 8 sections, 5 sections are () of the rope, and 3 sections are () m long
- 20. Simplification: √ 27 - (2 - √ 3) 1 - √ 12=