Question

Determine o valor:
a) (-6)² - 7²
b) (-4)³·(-7+6)
c) -1-(-2)²+(-3)³
d) -2²-3³-4^4

Answer 1

a)36-49= -13

b) (-4*-4*-4)*(-7+6)
-64*(-7+6)
448-384
64

c) -1-(-2)²+(-3)³
-1-(+4)+(-27)
-1-4-27
-32

d) -2²-3³-4^4
+4-27-256
+4-283
-279