Respuesta:
Explicación paso a paso:
9+(7-4-[11-(-8+5-7+6)-5]+(9-6) +15)
9+(7-4-[11-(-3-7+6)-5]+(9-6)+15)
9+(7-4-[11-(-10+6)-5]+(9-6)+15)
9+(7-4-[11+4-5]+(9-6)+15)
9+(7-4-[15-5]+3+15)
9+(7-4-10+3+15)
9+(3-10+3+15)
9+(-7+3+15)
9+(-4+15)
9+11
20
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Verified answer
Respuesta:
+20
Explicación paso a paso:
9+(7-4-[11-(-8+5-7+6)-5]+(9-6) +15)
9+(7-4-[11-(-3-7+6)-5]+(9-6)+15)
9+(7-4-[11-(-10+6)-5]+(9-6)+15)
9+(7-4-[11+4-5]+(9-6)+15)
9+(7-4-[15-5]+3+15)
9+(7-4-10+3+15)
9+(3-10+3+15)
9+(-7+3+15)
9+(-4+15)
9+11
20