Question

urgent, dau coroana!

a) (+4) + (-9)

b) (+5) - (-7)

c) (-6) + (+7) +2015⁰

d) |-4|-|-5| + |2+3|-|6-15|

e) 13-[-2+5-(4+16) -2]

g) (-2)⁵³ : 2⁴⁹ – 3 • {-2-2 • [(-5)⁵ : (-5)⁴ + 2]}
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Answer 1

Răspuns:

-5

12

2

-5

32

$- {2}^{4} - 3 \times ( - 4 \times ( - 5 + 2)) = - 16 - 3(12) = - 16 - 36 = - 52$