Respuesta:
12
Explicación paso a paso:
11 - 4 = 7
7 + 13 = 20
20 - 2 = 18
18 - 6 = 12
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Respuesta:
12
Explicación paso a paso:
11 - 4 = 7
7 + 13 = 20
20 - 2 = 18
18 - 6 = 12