Math, asked by priyadarshinisahoopr, 7 days ago

11 - [(-8) - {10 - (9 - 7 - 4)}]

Answers

Answered by chandanapukalyani

1

Step-by-step explanation:

[1-{(-8)-{10-(9-7-4)}}]

=[1-{(-8)-{10-(-2)}}]

=[1-{(-8)-(12)}]

=[1-(-20)]

=1+20=21

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