Respuesta :
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Respuesta: -12
[(-3)(-4) + (-1)(+2) - (1)(-2)] ÷ (+2)(-2) =
=12+(−1)(2)−(1)(−2)÷2(−2)
=12+−2−(1)(−2)÷2(−2)
=10−(1)(−2)÷2(−2)
=10−(−2)÷2(−2)
=12÷2(−2)
=(6)(−2)
=−12
Respuesta: -12
[(-3)(-4) + (-1)(+2) - (1)(-2)] ÷ (+2)(-2) =
=12+(−1)(2)−(1)(−2)÷2(−2)
=12+−2−(1)(−2)÷2(−2)
=10−(1)(−2)÷2(−2)
=10−(−2)÷2(−2)
=12÷2(−2)
=(6)(−2)
=−12