12 〕 37 〕 5 〕 6 〕 7 = 1998, fill in the appropriate operation symbol in 〕 to make the equation hold! Urgent!
(1+2)×37×(5+6+7)=1998
RELATED INFORMATIONS
- 1. Fill in the appropriate operation symbol and small extension to make the equation 9 = 7
- 2. It is known that a mathematical symbol △ holds the following equation: 2 △ 4 = 8, 5 △ 3 = 13, 3 △ 5 = 11, 9 △ 7 = 25, then 7 △ 3=______ .
- 3. Fill in the operation symbols in the brackets to make the mathematical expressions equal. 1 () 2 () 3 () 4 () 5 = 200 If necessary, you can combine several numbers into one number, or add brackets. For example, write (1 + 23) * 4-5 on the left. The two sides of the formula must be equal
- 4. )5 () 5 () 5 () 5 = 4; 9 () 9 () 9 () 9 () 9 = 18 fill in the operation symbols in brackets 9 () 9 () 9 () 9 = 18,
- 5. Fill them in with the notation 1 9 = 10 in order
- 6. 7 8 9 10 = 24 fill in the operation symbol can not change the position
- 7. 10 69 32 = 48, add bracket and operation symbol
- 8. Fill in appropriate operation symbols between 3, 3, 7 and 7 to make the result equal to 24
- 9. 3 3 7 7 fill in the operation symbol, so that the final answer is equal to 24 Can use add, subtract, multiply, divide, bracket, bracket, brace
- 10. How to add sign equal to 24 for 3, - 5,7, - 13
- 11. 9 7 5 4 fill in the operation symbol to make the equation hold
- 12. Fill in the appropriate operation symbol to make the equation hold, 9 () 9 () 9 () 9 = 18 Only add and subtract symbols can be filled in
- 13. How to add operation symbol for 7 () 9 () 12 () 3 2 = 90
- 14. There are four groups of numbers below. Can you add the operation symbol to make the result all be 24? (1)2 3 4 6 (2)2 5 6 8 (3)1 2 3 10 (4)3 6 7 8
- 15. Fill in some operation symbols in 5 6 7 8 to make the result 24?
- 16. Fill in the operation symbol in 1 3 5 7 to make the result equal to 24
- 17. Add the operation symbol between 4, 4, 10 and 10 to make the result equal to 24
- 18. There are four rational numbers: 3, - 5,2, - 13. How to calculate 24
- 19. Four rational numbers 3,7, - 7, - 3 are operated by 24 points Give the formula
- 20. Calculation of rational numbers 3,7, - 5, - 13.24