a. - 27-{-5 (9-11) + 18÷ (-9)}
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Answered by
2
Answer:
- 35
Step-by-step explanation:
- 27 - { - 5 ( 9 - 11 ) + 18 ÷ ( - 9) }
- 27 - { - 45 + 55 + ( - 2) }
- 27 - { - 45 + 55 -2 }
- 27 - { 10 - 2 }
- 27 - 8
- 35
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