Fill in nine numbers from 1 to 9 in (each number is filled in only once) to form three correct formulas
You can do multiplication first. The multiplier cannot be 1. There are not many combinations of 2, 2x3 or 2x4,
Use 2x3 = 6
1+7=8
9-4=5
RELATED INFORMATIONS
- 1. The following formula is composed of the numbers 1-9, and fill in the appropriate number. 9. () - (). 4 () = (). () 1
- 2. The 10 numbers of 0-9 are filled in 10 & #; to form the following three formulas. (each number can only be used once.) 〾+〾=〾 〾-〾=〾 〾X〾=〾
- 3. Fill in the following blanks without repetition of the nine numbers 1 to 9 to make the formula true ( )x( )x( )=( )+( ) } () divide () = () divide ()
- 4. Put the nine numbers 1 to 9 in the following space to make the formula true ()×()()=()()()=()()×()
- 5. Fill 0 to 9 in the following space respectively to make the formula hold. Each number can only be used once □ + □ = □ + □ = □ + □
- 6. The nine numbers 1-9 shall be filled in the blanks of the following formula respectively, and only one number is allowed to be filled in each blank to make the formula tenable: □
- 7. Fill the seven numbers of 0,1,2,3,7,8,9 in the box to make the formula true □+□=□□-□=□□
- 8. Put the 8 numbers 0-7 into the formula. 0, () () + 0, () + 0, () () + 0, () = 1, 00 fast
- 9. 1 2 3 = 1 1 2 3 4 5 6 = 1 1 2 3 4 5 6 7 = 1 add, subtract, multiply, divide, brackets make the formula equal to 1
- 10. 7 5 3 4 equals 24 And 5 2 3 6 equals 24.8 9 3 1 equals 24
- 11. Add a plus sign or a minus sign between every two adjacent numbers of 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 to form an expression with the result of 37. Then the maximum product of these subtractions (numbers with minus sign added in front) is______ .
- 12. Fill in the brackets with the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 to make the formula tenable and can't be used repeatedly One group: () divide by () = () + () - () = () two groups: () + () - () = () () multiply by () = () () three groups: () () () multiply by () = () ()
- 13. Put the nine numbers 1 to 9 in the following brackets without repetition to make the formula hold () × () × () = () + ()
- 14. Fill in 1,2,3,4,5,6,7,8,9 in the square so that the formula holds (the number can not be repeated) □ □ □ * □ = □ □ □ □
- 15. Fill the eight numbers 2-9 in the following formula box to make the formula hold
- 16. Put the seven numbers 0, 1, 2, 3, 4, 5 and 6 in the square of the circle. Each number appears just once to form an integer with only one or two digits. What is the number in the square? ○×○=□=○÷○
- 17. Put the seven numbers 0, 1, 2, 3, 4, 5 and 6 in the square of the circle. Each number appears just once to form an integer with only one or two digits. What is the number in the square? ○×○=□=○÷○
- 18. Put the seven numbers 0, 1, 2, 3, 4, 5 and 6 in the square of the circle. Each number appears just once to form an integer with only one or two digits. What is the number in the square? ○×○=□=○÷○
- 19. Put the seven numbers 0, 1, 2, 3, 4, 5 and 6 in the square of the circle. Each number appears just once to form an integer with only one or two digits. What is the number in the square? ○×○=□=○÷○
- 20. Put the seven numbers 0, 1, 2, 3, 4, 5 and 6 in the square of the circle. Each number appears just once to form an integer with only one or two digits. What is the number in the square? ○×○=□=○÷○