Respuesta:
:D
Explicación paso a paso:
≤ = Cerrado = [
< = Abierto = <
[3;12> = 3 ≤ x < 12
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Respuesta:
:D
Explicación paso a paso:
≤ = Cerrado = [
< = Abierto = <
[3;12> = 3 ≤ x < 12