Question

a) 0,(2)/x=4/9
Va rog!

Answer 1

Răspuns:

0,(2)=2/9

2/9/x=4/9

2/9x=4/9

18=36x

x=18÷36=1/2

Answer 2

$\it\dfrac{ 0,(2)}{x}=\dfrac{4}{9} \Rightarrow x=\dfrac{9\cdot0.(2)}{4}=\dfrac{\not9\cdot\dfrac{2}{\not9}}{4}=\dfrac{\ 2^{(2}}{4}=\dfrac{1}{2}$