Respuesta:
Explicación paso a paso:
a. (7 − 2 + 4) − (2 − 5)
=9-(-3)
=12
b. − (5 − 3 + 2) − [5 − (6 − 3 + 1) − 2]
=− (4) − [5 − 4 − 2]
=− (4) − [-1]
= -4+1
=-3
c. −12 · 3 + 18 : (−12 : 6 + 8)
=-36+18:(-12:14)
=-18:-0.85
=21
d. [( −12 + 36) : 6 + (8 − 5) : (−3)] – 6
=[24 : 6 + 3 : (−3)] – 6
=[4 + (-1)] – 6
=3-6
e. [(−2)5 · (−3)2] : (−2)2 = (−32 · 9) : 4
[-10 · (-6)] : (-4) = (-288) : 4
60:-4=-72
-14=-72
=-72+14
=-58
f. (60 : –2) : 10
=-30:10
g. -60 : (10 : –2)
=-60:-5
h. (–60 x –2) : (–10 x –2)
=120:20
=6
i. (–24 : 3) – 2
=-8-2
=-10
j. (–9 : –3) x (–4 : –2)
=3x2
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Respuesta:
Explicación paso a paso:
a. (7 − 2 + 4) − (2 − 5)
=9-(-3)
=12
b. − (5 − 3 + 2) − [5 − (6 − 3 + 1) − 2]
=− (4) − [5 − 4 − 2]
=− (4) − [-1]
= -4+1
=-3
c. −12 · 3 + 18 : (−12 : 6 + 8)
=-36+18:(-12:14)
=-18:-0.85
=21
d. [( −12 + 36) : 6 + (8 − 5) : (−3)] – 6
=[24 : 6 + 3 : (−3)] – 6
=[4 + (-1)] – 6
=3-6
=-3
e. [(−2)5 · (−3)2] : (−2)2 = (−32 · 9) : 4
[-10 · (-6)] : (-4) = (-288) : 4
60:-4=-72
-14=-72
=-72+14
=-58
f. (60 : –2) : 10
=-30:10
=-3
g. -60 : (10 : –2)
=-60:-5
=12
h. (–60 x –2) : (–10 x –2)
=120:20
=6
i. (–24 : 3) – 2
=-8-2
=-10
j. (–9 : –3) x (–4 : –2)
=3x2
=6