To solve this expression, we follow the order of operations (parentheses, multiplication and division, addition and subtraction) while also considering the specific comma decimal notation used:
Start by evaluating the expression within the parentheses: (17,65 - 9,25) 2,5 - 3,9 0,4 = (8,4) 2,5 - 3,9 0,4 = 21,0 - 1,56 = 19,44
Next, we divide the result by 2,43: 19,44 : 2,43 ≈ 7,99177
Continuing with the remaining part of the expression: 15,96 : 5,7 0,5 + (13,25 - 8,35) 2,5 ≈ 2,8 0,5 + 4,90 2,5 = 1,4 + 12,25 = 13,65
Finally, we add the results from step 2 and step 3: 7,99177 + 13,65 ≈ 21,64177
Therefore, the final result of the expression is approximately 21,64177.
To solve this expression, we follow the order of operations (parentheses, multiplication and division, addition and subtraction) while also considering the specific comma decimal notation used:
Start by evaluating the expression within the parentheses:
(17,65 - 9,25) 2,5 - 3,9 0,4
= (8,4) 2,5 - 3,9 0,4
= 21,0 - 1,56
= 19,44
Next, we divide the result by 2,43:
19,44 : 2,43
≈ 7,99177
Continuing with the remaining part of the expression:
15,96 : 5,7 0,5 + (13,25 - 8,35) 2,5
≈ 2,8 0,5 + 4,90 2,5
= 1,4 + 12,25
= 13,65
Finally, we add the results from step 2 and step 3:
7,99177 + 13,65
≈ 21,64177
Therefore, the final result of the expression is approximately 21,64177.