99 - \{4 \times [(18 \div 3 + 9) - 18 \div 3] + 3 \times 10\} =
Added by Purificaci-N A.
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Step 1
First, let's simplify the expression inside the parentheses: (18 + 3 + 9) - 18 + 3 = 30 - 18 + 3 = 15 Show more…
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