Question

Si: A = – {–3 – [2 – (3 – 7) + 5]} B = +2 – {5 – [3 – (–4 – 2) –5]} Calcula A · B

Answer 1

A= -{-3- [2-(3-7)+5]}
A= -{-3-[2+4+5}
A= -{-3-11}
A= -{-14}
A= 14

B= 2-{5-[3-(-4-2)-5]}
B= 2-{5-[3+6-5]}
B= 2-{5-4}
B= 2-1
B= 1

A.b
14.1= 14

A.b es 14