Question

por favor me ajudem

pago uma boa recompensa

b83d6d217f5df91905903b147bea0e67.doc

Answer 1

$\frac{1}{2} + \frac{1}{3} + \frac{1}{6} = 1$
$\frac{1}{2} + \frac{2}{3} = \frac{7}{6}$

Logo temos:
$( \frac{1}{ \frac{7}{6} })^{2} + \frac{13}{49}$
$(\frac{6}{7})^{2} + \frac{13}{49}$
$\frac{36 + 13}{49}$ = 1 (A)