Question

alfati valorile lui a si b stiind ca 3 supra 7 = a supra 21 si b+1 supra 3 = 4 supra 6 . va rog​

Answer 1

$\frac{3}{7} = \frac{a}{21}$

$a = \frac{3 \times 21}{7} = 9$

$\frac{b + 1}{3} = \frac{4}{6}$

$b + 1 = \frac{3 \times 4}{6} = 2$

$b = 1$

COROANA?