1- [5- {2+(-5+6-2) 2 } ]
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Answer:
Step-by-step explanation:
1 - [5 - {2 + (- 5 + 6 - 2) 2}]
= 1 - [5 - {2 + (- 1) 2}]
= 1 - [5 - {2 - 2}]
= 1 - [5 - 0]
= 1 - 5
= -4
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