Question

se x = 0,9494... e y = 0,666...
quanto é x + y?

Answer 1

$x= 0,949494...=\frac{94}{99} \\ \\ y= 0,6666...=\frac{6}{9} \\ \\ x+y=\frac{94}{99}+\frac{6}{9}=\frac{94}{99}+\frac{66}{99}=\frac{94+66}{99}=\frac{160}{99}=1,616161...$