Respuesta:
49
Explicación paso a paso:
1(a)+3(a)+2(4)-1 = 7°
4a+7 = 7°
4a = 7°
a = 7
7*7 = 49
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Respuesta:
49
Explicación paso a paso:
1(a)+3(a)+2(4)-1 = 7°
4a+7 = 7°
4a = 7°
a = 7
7*7 = 49