Advertisements
Advertisements
Question
`27- {13 + 4 - (8 + 4 - bar(1 + 3))}`
Sum
Advertisements
Solution
`27- {13 + 4 - (8 + 4 - bar(1 + 3))}`
The overline indicates grouping: `bar(1+3) = 1+3=4`
27 − {13 + 4 − (8 + 4 − 4)}
8 + 4 − 4 = 8
Substitute: 27 − {13 + 4 − 8}
13 + 4 − 8 = 9
Substitute: 27 − 9
27 − 9
= 18
shaalaa.com
Properties of Operations on Integers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Evaluate: 18 -(20 - 15 ÷ 3)
`35 – [15 + {14 - (13 + bar(2 - 1 + 3))}]`
`32 - [43-{51 - (20 - bar(18 - 7))}]`
88 - {5 - (- 48) ÷ (- 16)}
`9 xx (8 - bar(3 + 2)) - 2(2 + bar(3 + 3))`
If `x × (-1) = 36`, is x positive or negative?
Evaluate: (-20) + (-8) ÷ (-2) × 3
Evaluate: 16 + 8 ÷ 4 – 2 × 3
Evaluate: `48-[18-{16-(5 –bar(4 + 1))}]`
Evaluate: `(24 ÷ bar(12 - 9) - 12) - (3 xx 8 = 4 + 1)`
