Si una rana que cae a un pozo de 30 metros, por el día avanza 3 m y por la noche desciende 2, cuánto tarda?
Reto...
7 years ago by a2qmcvx (34)
$0.19
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I do not know which language is this.... but i hope you can understand this:
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1, creo, soy tan mala en matematicas
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