Question

Ayudenme!!!!!!!!!! con el siguiente ejrcicio
(-13)-{(+4-3)+4-(-5+3)]

Answer 1

(-13)-{(+4-3)+4-(-5+3)]
(-13)-{(1)+4-(-2)]
(-13)-{(1+4+2]
(-13)-{7}
-13-7
-20

Answer 2

(-13)-[+1+4+2]
(-13)-1-4-2
-20
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