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: □

RELATED INFORMATIONS

• 1. Fill the seven numbers of 0,1,2,3,7,8,9 in the box to make the formula true □+□=□□-□=□□
• 2. Put the 8 numbers 0-7 into the formula. 0, () () + 0, () + 0, () () + 0, () = 1, 00 fast
• 3. 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
• 4. 7 5 3 4 equals 24 And 5 2 3 6 equals 24.8 9 3 1 equals 24
• 5. Fill the nine numbers - 8, - 6, - 4, - 2, 0, 2, 4, 6 and 8 into the nine squares in the graph, so that the sum of three numbers in each row, three numbers in each column and three numbers in diagonal angle is 0
• 6. You fill the nine numbers - 2, - 1, 0, 1, 2, 3, 4, 5, 6 into the nine spaces in the graph, so that the three numbers in each row, the three numbers in each column, and the three numbers in diagonal angles add up to 6
• 7. Put the nine numbers - 6, - 4, - 2,0,2,4,6,8,10 into the nine spaces, so that there are three numbers in each row and three numbers in each column
• 8. Come on! Master, please come in! Fill - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 into 9 spaces in the graph, so that the sum of 3 numbers in each row, 3 numbers in each column and 3 numbers in diagonal is - 15 Nine spaces are 3 * 3 boxes
• 9. According to the law of numbers in the figure, what text should be filled in the question mark?
• 10. [help] according to the law of numbers in the figure, what number should be filled in the question mark?
• 11. Fill 0 to 9 in the following space respectively to make the formula hold. Each number can only be used once □ + □ = □ + □ = □ + □
• 12. Put the nine numbers 1 to 9 in the following space to make the formula true ()×()()=()()()=()()×()
• 13. Fill in the following blanks without repetition of the nine numbers 1 to 9 to make the formula true （ ）x( )x（ ）=（ ）+（ ） } () divide () = () divide ()
• 14. The 10 numbers of 0-9 are filled in 10 & #; to form the following three formulas. (each number can only be used once.) 〾+〾=〾 〾-〾=〾 〾X〾=〾
• 15. The following formula is composed of the numbers 1-9, and fill in the appropriate number. 9. () - (). 4 () = (). () 1
• 16. Fill in nine numbers from 1 to 9 in (each number is filled in only once) to form three correct formulas
• 17. 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______ ．
• 18. 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 () = () ()
• 19. Put the nine numbers 1 to 9 in the following brackets without repetition to make the formula hold () × () × () = () + ()
• 20. 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) □ □ □ * □ = □ □ □ □