Question

(1,87+1,955):0,85-(3•1,75-2,5)•1,62

Answer 1

1)1,87+1,955=3,825

2)3*1,75=5,25

3)5,25-2,5=2,75

4)3,825/0,85=4,5

5) 2,75*1,62=4,455

6)4,5-4,455=0,045

Answer 2

To solve the expression (1.87 + 1.955) / 0.85 - (3 * 1.75 - 2.5) * 1.62, we follow the order of operations (PEMDAS/BODMAS). Here's the step-by-step solution:

Step 1: Perform the multiplication and subtraction inside the parentheses. (3 * 1.75 - 2.5) = 3.25

Step 2: Rewrite the expression with the simplified values. (1.87 + 1.955) / 0.85 - 3.25 * 1.62

Step 3: Perform the addition. 1.87 + 1.955 = 3.825

Step 4: Rewrite the expression with the simplified values. 3.825 / 0.85 - 3.25 * 1.62

Step 5: Perform the division. 3.825 / 0.85 = 4.5

Step 6: Rewrite the expression with the simplified values. 4.5 - 3.25 * 1.62

Step 7: Perform the multiplication. 3.25 * 1.62 = 5.265

Step 8: Rewrite the expression with the simplified values. 4.5 - 5.265

Step 9: Perform the subtraction. 4.5 - 5.265 = -0.765

Therefore, the result of the expression (1.87 + 1.955) / 0.85 - (3 * 1.75 - 2.5) * 1.62 is approximately -0.765.