Question
Evaluate: $48-[18-\{16-(5-\overline{4+1})\}]$

Answer


$\begin{aligned} & 48-[18-\{16-(5-\overline{4+1})\}] \\ & \Rightarrow 48-[18-\{16-(5-5)\}] \\ & \Rightarrow 48-[18-\{16-0)\}] \\ & \Rightarrow 48-[18-16] \\ & \Rightarrow 48-2 \\ & =46\end{aligned}$

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