7. Evaluate: (54 - 36) - [23 - (1 - 5)]
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Answered by
15
(54 - 36) - [23 - (1 - 5)]
(18) - [23 - (- 4)]
18 - [23 + 4]
18 - 27
= - 9
______________________________
Answered by
4
(54 - 36) - [23 - (1 - 5)]
(18) - [23 - (- 4)]
18 - [23 + 4]
18 - 27
= - 9
____________________________
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