Question

Ayuda por favor
Enserio la nesecito :(​​

Answer 1

Explicación paso a paso:

$a.bccc... = \frac{28}{9} + \frac{4}{15} \\ a.bcc... = \frac{15(28) + 4(9)}{9(15)} \\ a.bcc... = \frac{152}{45} \\ a.bcc... = 3.377... \\ a = 3 \\ b = 3 \\ c = 7 \\ {a}^{2} + {b}^{2} + {c}^{2} \\ {3}^{2} + {3}^{2} + {7}^{2} \\ 9 + 9 + 49 \\ 67$