1. Simplify:
45 - [8 - 3 - 17 - (12 - 8)}
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Step-by-step explanation:
45 - [8 - 3 - 17 - (12 - 8)]
45 - [8 - 20 - (4)]
45 - [8 - 20 - 4]
45 - [8 - 24]
45 - (-16)
45 + 16
61
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