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Cercha con 3 barras: las fuerzas F_1, F_2, F_3 obedecen F_1 + F_2 = 100 , , . Resuelve
Cercha con 3 barras: las fuerzas F_1, F_2, F_3 obedecen F_1 + F_2 = 100 , , . Resuelve
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