81÷[{9÷9+7-8} (9-5+2)]
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Answer:
81÷[{9÷9+7-8}(9-5+2)]
Step-by-step explanation:
81÷[{9÷9+7-8}(4+2)]
81÷[{9÷9+7-8(6)
81÷[{1+7-8(6)
81÷[{8-8(6)
81÷6
13.5
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