3 5 7 9 11 13 15 17 19 how can they be arranged so that they are equal horizontally and vertically
17 3 13
7 11 15
9 19 5
RELATED INFORMATIONS
- 1. Use 12.15.17.19.21.23.25.27.29 to compile a third-order magic square? Ask to do it in a square,
- 2. Use 25 numbers 3 ~ 27 to arrange a magic square of order 5
- 3. Put a magic square of order 5 with 25 numbers of 3 ~ 27 fast
- 4. How to construct a fifth order magic square with 25 numbers 8-32
- 5. What are the other units of measurement between micron (μ m) and nanometer (nm), nanometer and Pico meter (PM), Pico meter and flying meter (FM), and what is the rate of advance? Pay attention to the symbols
- 6. How many micrometers is one meter? How many nanometers is one meter?
- 7. How many meters is a micron?
- 8. If x > 1, Y > 1 and lgx + lgY = 4, then the maximum value of lgx · lgY is?
- 9. Given that a and B are two of the equations x2 + (m-2) x + 1 = 0 about X, then the value of (1 + Ma + A2) (1 + MB + B2) is______ .
- 10. What is the product of two prime numbers
- 11. 11 13 17 19 23 29
- 12. Please use 7, 9, 11, 13, 15, 17, 19, 21, 23 to form a third-order magic square fast
- 13. Make a magic square of order 9 by using "Rob's method"
- 14. Try 1-25 to make a magic square
- 15. How to use Rob's method to make a 1 ~ 25 fifth order magic square
- 16. The square of X - 3x + 2 = 0, X1 = 1, X2 = 2, the square of X - 3x + 2 = (x-1) (X-2) The square of 5x - 4x-1 = 0, X1 = 1, X2 = - 1 / 5, the square of 5x - 4x-1 = 5 (x-1) (x + 1 / 5) Find the generalization of the conclusion and write it out
- 17. The square of X - 3x + 2 = 0 X1 =? X2 =?
- 18. X squared + 3x + a = 0 2, followed by X1 and X2, X1 squared - x2 squared = 3 for a X square + 3x + a = 0, 2 roots are X1 and X2 to find X1 square - x2 square = 3 to find a respectively
- 19. Find the area enclosed by the 1 / 3 power of the curve y = x and y = X
- 20. If the point (1,5) is the inflection point of the curve y = AX3 power + BX square + 2, try to determine a, If the point (1,5) is the inflection point of the curve y = AX3 power + BX square + 2, try to determine the value of a, B?