(e) 12 - [4 - {6 - (5 - 5 - 3)}]
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Answer:
12-[4-{6-(5-5-3) }]
Step-by-step explanation:
12-[4-{6-(-3)}]
12-[4-{6+3}]
12-[4-9]
12-(-5)
12+5=17
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