0-9 ten sequence of five addition formula, each number only once 0123456789 ten numbers are filled in (), each number is used only once. () + () = () + () = () + () = () + () = () + () = () + ()
0+9=1+8=2+7=3+6=5+4
RELATED INFORMATIONS
- 1. Fill in 10 numbers of 0123456789 in (), each number can only be used once () + () = () - () = () - () = () - () = () - () = ()-(
- 2. Fill in 10 numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 in □, and each number is used only once
- 3. Fill in the ten numbers 0123456789 in (). Fill in each number once. () + () = (), () - () = (), () times 9 () = ()
- 4. What multiplication formulas can I write with 2, 3, 5, decimal point and multiplication sign
- 5. How many decimal multiplication formulas can you write with the three numbers of 7, 8 and 5, as well as the decimal point "." and multiplication sign
- 6. There are 61 pieces placed in several squares, each of which must be placed. A maximum of 5 pieces can be placed in one lattice. At least how many squares have the same number of pieces?
- 7. Given the function y = (A-X) / (x-a-1), the center of symmetry of the image is (3, - 1), then the real number a is equal to
- 8. In the figure shown in the figure, all quadrangles are squares, all triangles are right triangles, and the maximum square surname side length is 7 cm Find the area sum of a.b.c.d
- 9. In tetrahedral a-bcd, e and F are the midpoint of edges AD and BC respectively, connecting AF and CE, (2) Sine value of the angle between CE and BCD. (PS:)
- 10. The bottom of a right angled trapezoid is 1.5 times of the top, and the top is extended by 16 cm to become a square. The area of the right angled trapezoid is calculated Elementary school mathematics, not equations
- 11. 0123456789 how to make up the vertical column of addition with ten numbers
- 12. With 0, 1, 2 The ten numbers, 9, constitute a four digit number, a three digit number, a two digit number and a one digit number. Each number can only be used once, so that the sum of the four numbers equals 1998, then the minimum value of the three digits is______ .
- 13. Use 0123456789 ten numbers to form two five digit numbers, how to combine the product to the maximum? Why does 96521 * 87430 have the largest combined product? Please explain the reason of this combination.
- 14. 0123456789 ten numbers are listed in one formula. All numbers can only be used once
- 15. Fill in 0123456789 in the box. Each number can only be used once. Think of at least four formulas
- 16. Write 0 1 2 4 5 6 7 8 9 into three formulas (one addition, one subtraction, one multiplication). Each number is only used once. How can we solve it
- 17. Use 0, 1, 2, 3 to form a number without repetition. How many four digits are there
- 18. How many five digit numbers can be made up of six numbers 1, 2, 3, 4, 5 and 6? 6*5*4*3*2*1=720 Why should we multiply the number without repetition from 6 to 1? What is the meaning of multiplication here? Please help me understand deeply
- 19. Among the three digit numbers without repetition composed of numbers 1, 2, 3, 4, 5 and 6, the number that is a multiple of 9 is () A. 12 B. 18 C. 20 D. 30
- 20. How many four digit numbers can be made up of numbers 0, 1, 2, 3 and 4