55-[25-{23-(12-11+7)}]
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Answered by
2
Answer:
45
Step-by-step explanation:
55-[25-{23-(12-11+7)}]
55-[25-{23-(1+7)}]
55-[25-(23-8)]
55-(25-15)
55-10
45
Answered by
0
Answer:
45 is the correct answer.
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