Respuesta:
23
Explicación paso a paso:
=25-{20-[15+(-5×2+15+3)-5]}
=25-{20-[15+(-10+18)-5]}
=25-{20-[15+8-5]}
=25-{20-18}
=25-2
=23
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Respuesta:
23
Explicación paso a paso:
=25-{20-[15+(-5×2+15+3)-5]}
=25-{20-[15+(-10+18)-5]}
=25-{20-[15+8-5]}
=25-{20-18}
=25-2
=23