1.

19+[{8×8)-(13×4)} -{(7×9)÷21}]

Answer» HEY!!!

GIVEN :- 19 + [(8×8)-(13×4)]-[(7×9)/21]

= 19 + ( 64 - 52 ) - ( 63/21 )

= 19 + 64 - 52 - 3

= 83 - 55

= 28

cheers!!!


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