Question

Determina el valor numérico eliminando paréntesis:
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

Explicación paso a paso:

-[(10-5)-(-8+9)]-[(4-9)+11]

-(6)-[(4-9)+11]

6(-6)-6

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