(385,7:0,19-30)*0,2-(35,7*3,29+2,547)

To solve the expression \((385,7:0,19-30)*0,2-(35,7*3,29+2,547)\), we'll break it down step by step. 1. **Understanding the Symbol ":"**: In many contexts, ":" may represent division. Hence, we can interpret \(385,7:0,19\) as \(385.7 \div 0.19\). 2. **Perform the Division**: \[ 385.7 \div 0.19 \approx 2029.47368 \] 3. **Subtract 30**: \[ 2029.47368 - 30 \approx 1999.47368 \] 4. **Multiply by 0.2**: \[ 1999.47368 \times 0.2 \approx 399.894736 \] 5. **Calculate the Second Part**: - First, calculate \(35.7 \times 3.29\): \[ 35.7 \times 3.29 \approx 117.75 \] - Then add \(2.547\): \[ 117.75 + 2.547 \approx 120.297 \] 6. **Complete the Expression**: \[ 399.894736 - 120.297 \approx 279.597736 \] So the final result of the expression is approximately: \[ \boxed{279.60} \]