Calcular el valor de las siguient operaciones combinadas: a) -5-[-17+ (15 -6)]+ (-15-8)-{-1+ (8- + (7-10)) b) -13--4+ [9+(-5-6+12) + (-2)] - 5) c)-15+(-3-18-4+(6-1)] + 12-[6-(5-11) b d) -14-{-9-[15-(16+31)]-(-12 + (-8-7) e) 4-15- [7- (3-2-6) -8]-(-3-(7-5) 3. Hallar las cifras que debemos escribir en lo
Respuestas a la pregunta
Respuesta:
a)-5-[-17+ (15 -6)]+ (-15-8)-{-1+ (8- + (7-10)]
-5-[-17+ (9)]+ (-23)-{-1+ (8- + (3]
-5-(-17+ 9) -23-[-1+ (8+3)]
-5-(-17+ 9) -23-(-1+11)
-5-8 -23+10
26
b)-13-4+ [9+(-5-6+12) + (-2)] - 5)
-13-4+ [9+1 + (-2)] - (5)
-13-4+ (9+1-2) - 5
-13-4+ (8) - 5
-13-4+ 8 - 5
-14
c)-15+[(-3-18-4+(6-1)] + 12-[6-(5-11)]
-15+[-3-18-4+(5)] + 12-[6-(-6]
-15+(-3-18-4+5) + 12-(6-6)
-15+(-20) + 12-0
-15+20 + 12
17
D)-14-{-9-[15-(16+31)]-[-12 + (-8-7)
-14-{-9-[15-(47)]-[-12 + (15)]
-14-[-9-(15+47)-(-12 +15)]
-14-[-9-(62)-(3)]
-14-(-9-62-3)
-14-74
-88
e) 4-15- [7- (3-2-6) -8]-(-3-(7-5)
4-15- [7- (-7) -8]-[-3-(2)]
4-15-(7- 7 -8)-(-3+2)
4-15-(-8)-(-1)
4-15-8-1
-20
Explicación paso a paso: