Question

6) Determina el valor numérico eliminando paréntesis y signos de agrupación
a) - [ ( 10 –15 ) – ( -8 + 9 ) ] – [ ( 4 –9 ) + 11 ]
b) – ( 1 –8 ) + { -4 – [ ( -14 + 5 ) – ( -8 + 13 ) ] } –23
c) 13 + { -18 – [ -17 – ( 9 –17 ) – ( 18 + 13 ) + 4 ] }
d) [ - ( -4 + 7 ) – ( -10 + 18 –27 ) ] – [ -3 – ( -9 + 17 ) ]

Answer 1

descárgate photomart y te lo resuelve rapido