Math, asked by gajulasaipranav, 5 months ago

Evaluate : 21-[21-{21+(21-21+21)}]

Answers

Answered by Anonymous

5

Answer:

42

Step-by-step explanation:

21-[21-{21+(21-21+21)}]

=21-[21-{21+21}]

=21-[21-42]

=21-[-21]

=21+21=42

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