Question
Simplify the following: $36-\big[18-\{14-(15-4\div2\times2)\}\big]$
✓
Answer
$36-\big[18-\{14-(15-4\div2\times2)\}\big]$ $=36-\big[18-\{14-(11\div2\times2)\}\big]$ $=36-\Big[18-\Big\{14-\Big(\frac{11}{2}\times2\Big)\Big\}\Big]$ $=36-\big[18-\big\{14-11\big\}\big]$ $=36-\big[18-3\big]$ $=36-15$ $=21$ $\therefore\ 36-\big[18-\{14-(15-4\div2\times2)\}\big]=21$
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