Question

b
76 - 4 - [6 + {19 - (48 - 57 - 17)]​

Answer 1

Explanation:

76 - 4 - [6 + {19 - (48 - 57 - 17)]

=76-4-(6+(19-(-26)))

=76-4-(6+(19+26))

=76-4-(6+45)

=76-4-5

=21

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