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=______ .
7 △ 3 = 7 × 2 + 3 = 17
RELATED INFORMATIONS
- 1. 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
- 2. )5 () 5 () 5 () 5 = 4; 9 () 9 () 9 () 9 () 9 = 18 fill in the operation symbols in brackets 9 () 9 () 9 () 9 = 18,
- 3. Fill them in with the notation 1 9 = 10 in order
- 4. 7 8 9 10 = 24 fill in the operation symbol can not change the position
- 5. 10 69 32 = 48, add bracket and operation symbol
- 6. Fill in appropriate operation symbols between 3, 3, 7 and 7 to make the result equal to 24
- 7. 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
- 8. How to add sign equal to 24 for 3, - 5,7, - 13
- 9. Add operation symbols or brackets between the following four numbers to make the result equal to 24. Use 9, 3, 7, 2,
- 10. 11 8, fill in the operation symbol, how can we get 2005?
- 11. Fill in the appropriate operation symbol and small extension to make the equation 9 = 7
- 12. 12 〕 37 〕 5 〕 6 〕 7 = 1998, fill in the appropriate operation symbol in 〕 to make the equation hold! Urgent!
- 13. 9 7 5 4 fill in the operation symbol to make the equation hold
- 14. 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
- 15. How to add operation symbol for 7 () 9 () 12 () 3 2 = 90
- 16. 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
- 17. Fill in some operation symbols in 5 6 7 8 to make the result 24?
- 18. Fill in the operation symbol in 1 3 5 7 to make the result equal to 24
- 19. Add the operation symbol between 4, 4, 10 and 10 to make the result equal to 24
- 20. There are four rational numbers: 3, - 5,2, - 13. How to calculate 24