Question

Se x = 0,22222 e y = 2,595959 calcule o valor exato da soma x + y

Answer 1

Resposta:

$x + y = \frac{31}{11}$

Explicação passo-a-passo:

$x + y = 0.222... \: \: + 2.595959...$

$x + y = \frac{2}{9} + \frac{(259 - 2)}{99}$

$x + y = \frac{2}{9} + \frac{257}{99}$

$x + y = \frac{(22 + 257)}{99}$

x

$x + y = \frac{279}{99}$

$x + y = \frac{31}{11}$