Question
$35-[15+\{14-(13+\overline{2-1+3})\}]$
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Answer
$\begin{aligned} & 35-[15+\{14-(13+\overline{2-1+3})\}] \\ & =35-[15+14-(13+4)] \\ & =35-[15+14-(13+4\}] \\ & =35-\{15+14-17] \\ & =35-15-14+17 \\ & =35+17-15-14 \\ & =52-29 \\ & =23\end{aligned}$
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