| (a) \[27-\left[ 5+\{28-\left( 29-7 \right)\} \right]~\] |
| (b) \[48-[18-\{16-(5-\overline{4-1})\}]\] |
Answer:
(a) We have,
\[27\left[ 5+\{28\left( 297 \right)\} \right]=27\left[ 5+\{2822\} \right]\]
[Removing the innermost brackets]
= 27 ? [5 + 6]
[Removing Brackets]
= 27 ? 11 = 16 2
(b) We have
\[48\left[ 18\{16\left( 5\overline{4-1} \right)\} \right]\]
= 48 ? [18 ? {16 ? (5 ? 3)}] [Removing vinculum]
= 48 ? [18 ? {16 ? 2}] [Removing parentheses]
= 48 ? [18 ? 14] [Removing braces]
= 48 ? 4
= 44
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