Mathematics, 31.12.2021 15:20 marie1211
Encuentra el determinante ∆x del sistema 3 x 3 del siguiente problema: "Las edades de tres hermanas suman 68 años. El doble de la suma de las edades de las hermanas mediana y menor más la de la hermana mayor dan 109 años. Si la diferencia de edades entre la hermana mayor y la menor es de nueve años." Nota: x= mayor, y = mediana, z = menor
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Encuentra el determinante ∆x del sistema 3 x 3 del siguiente problema: "Las edades de tres hermanas...
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