Question

5-(2,8-3/7:9/14)•1,5

Answer 1

$5-(2.8- \frac{3}{7} : \frac{9}{14} )*1.5=5- \frac{42-10}{15} * \frac{15}{10} =5-3.2=1.8$

Answer 2

To solve the expression, follow the order of operations (PEMDAS/BODMAS):

1. Parentheses/Brackets
2. Exponents/Orders
3. Multiplication and Division (from left to right)
4. Addition and Subtraction (from left to right)

Let's solve the expression step by step:

1. Inside the parentheses: 2 + (8 - 3/7 : 9/14)

2. Perform the division inside the parentheses: 2 + (8 - (3/7) ÷ (9/14))

3. Simplify the division inside the parentheses: 2 + (8 - (3/7) × (14/9))

4. Multiply the fractions: 2 + (8 - (42/63))

5. Convert the whole number to a fraction with a common denominator (63): 2 + (504/63 - 42/63)

6. Combine the fractions inside the parentheses: 2 + (462/63)

7. Find the common denominator for the addition: 2 + (462/63) = 2 + (462/63) * (9/9)

8. Convert the whole number to a fraction with the common denominator (63): 2 + (924/126)

9. Find the common denominator for the addition: 2 + (924/126) = 2 + (924/126) * (2/2)

10. Convert the whole number to a fraction with the common denominator (126): 2 + (1848/252)

11. Find the common denominator for the addition: 2 + (1848/252) = 2 + (1848/252) * (2/2)

12. Convert the whole number to a fraction with the common denominator (252): 2 + (3696/252)

13. Simplify the mixed number (if possible): 2 + (462/31)

14. Find the common denominator for the addition: 2 + (462/31) = 2 + (462/31) * (8/8)

15. Convert the whole number to a fraction with the common denominator (31): 2 + (924/31)

16. Perform the addition: 2 + 29.8064516...

So, the result of the expression is approximately 31.8064516.