1.

(Each question carries 3 marks)y: (i) 12+3 - [5 - {2+ 4-(8-7)}}(ii) Evaluate: (-1)*(-1) *(-1) (-1) (-1) × (-1) (-1)1th of one part is equal to 1th of the other26 inte parte auch bat​

Answer»

I) 12+3 - [5 - {2+ 4-(8-7)}}

=15- {5 - {2+ 4-1}}

=15-{5-5}

=15-0

=15



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