Question

Cunoscand a\b=0,(27) calculati suma 1+3b-11a

Answer 1

$\frac{a}{b} = \frac{27}{99}$
a=99
b=27

1+3*27-11*99=1+81-99=-17

Answer 2

[tex]\dfrac{a}{b} = 0,(27) \Rightarrow \dfrac{a}{b}=\dfrac{27}{99} \Rightarrow \dfrac{a}{b}=\dfrac{3}{11} \Rightarrow 11a = 3b \Rightarrow 3b-11a =0\\\;\\ Deci,\ \ 1+3b-11a =1+0 = 1.[/tex]