Math, asked by Nithyanandini444, 5 months ago

d) Evaluate : 21-[21-{21+(21-21+21)

Answers

Answered by Priyapragya

1

Answer:

42

Step-by-step explanation:

Mark me as the brainliest

Answered by varunsanka

1

Answer:

42

Step-by-step explanation:

21-[21-[21+[21-21+21]

21-(21-(21+(0+21)

21-(21-(21+21)

21-(21-(42)

21-(21-42)

21-(-21)

21+21

42

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