Question 56

Solve the following:
$$23 - [23 - \left\{23 - (23 - 23 + 23)\right\}]$$

Solution

$$23 - [23 - \left\{23 - (23 - 23 + 23)\right\}]$$

apply bodmass rule before this solve bracket

=$$23 - [23 - \left\{23 - 23\right\}]$$

=$$23 - [23 - 0]$$

=$$23 - 23$$

=23

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