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Find the value of $$225 - \left[ {42 - \left\{ {25 - \left( {18 - \overline {18 + 13} } \right)} \right\}} \right].$$
Answer & Solution
Correct Answer:
Option
B
$$\eqalign{
& 225 - \left[ {42 - \left\{ {25 - \left( {18 - \overline {18 + 13} } \right)} \right\}} \right] \cr
& = 225 - \left[ {42 - \left\{ {25 - \left( {18 - 18 - 13} \right)} \right\}} \right] \cr
& = 225 - \left[ {42 - \left\{ {25 + 13} \right\}} \right] \cr
& = 225 - \left[ {42 - 38} \right] \cr
& = 221 \cr} $$
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