Gente me ajudemm!
Calcule o valor numérico das expressões
a) - (-3) +2
b) -5-3
c)-5+8
d) 8-12
e)-(-5) -(-3)
f)3.(-3)
g)-5 (-5)
h)10(-2)
i)-20:(-4)
j)-10-(3)
k)20-{4+-(20:4)}
l)-4+{-3+(-5+952)}
m)-6-{10+(-8-3)-1}
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