saratobon310 saratobon310 12-02-2021 Mathematics contestada a) 63-04- D) (*4) - ( —25 ) - c) ( - 48d - ( -52) = d) I - 4 ) - ( 12 ) = e) 6S - 21 - ñ4 ) + ( 7 - 72 ) = I) ( 24 - 89 + 18 ) ( - 91 + 24 ) = g) ( - 417 - 78 ) ( - 518- 287 ) =