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120 - (24 : 4+ [25+ ( + 2 x 9)-7x4:4)
Explicación paso a paso​


Respuesta :

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120 - (24 : 4+ [25+ ( + 2 x 9)-7x4:4)

=120−(6+25+(2)(9)−(7)(4):4)

=120−(6+25+18−(7)(4):4)

=120−(6+43−(7)(4):4)

=120−(6+43−28:4)

=120−(6+43−7)

=120−(6+36)

=120−42

=78

Salu2!!