Question

85÷17×(21-45÷(54÷6))+90×15×(56÷8)-112. по действиям

Answer 1

85:17*(21-45:9)+90*15*7-112
85:17*(21-5)+9450-112
80+9450-112=9418

Answer 2

85:17*(21-45:9)+90*15*7-112
85:17*(21-5)+9450-112
80+9450-112
=9418

Answer 3

To solve the given expression, follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), and finally Addition and Subtraction (from left to right):

1. Solve the expression inside the parentheses first: 21 - 45 ÷ (54 ÷ 6) = 21 - 45 ÷ 9 = 21 - 5 = 16

2. Now, proceed with the rest of the expression: 85 ÷ 17 × 16 + 90 × 15 × (56 ÷ 8) - 112

3. Perform multiplication and division from left to right: 85 ÷ 17 = 5 5 × 16 = 80

4. Continue evaluating: 80 + 90 × 15 × (56 ÷ 8) - 112

5. Perform the multiplication: 90 × 15 = 1350

6. Continue evaluating: 80 + 1350 × (56 ÷ 8) - 112

7. Divide 56 by 8: 56 ÷ 8 = 7

8. Continue evaluating: 80 + 1350 × 7 - 112

9. Perform the final multiplication: 1350 × 7 = 9450

10. Continue evaluating: 80 + 9450 - 112

11. Perform the final addition and subtraction: 80 + 9450 = 9530 9530 - 112 = 9418

So, the final result of the expression is 9418.