Question

a) -8 + 6 -1 = e) (+8) - (+5) =
b) -2 -4 -1 = f) (-8) + (-5) =
c) 12 -7 ×3 = g) (-3) + (+9) =
d) 4 + 13 -21 = h) (+2) + (-7) =​

Answer 1

Resposta:

a) -8 + 6 -1 = -3

b) -2 -4 -1 = -7

c) 12 -7 ×3 = -9

d) 4 + 13 -21 = -4

e) (+8) - (+5) = 3

f) (-8) + (-5) = -13

g) (-3) + (+9) = 6

h) (+2) + (-7) =​ -5