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Daca 12+3b/18+2a=0,(6) , atunci a/b egal cu...

Răspuns :

[tex]Ecuatia\;,\;probabil\;ca\;are\;forma:\;\;\frac{12+3b}{18+2a}= 0,(6)\;!!!\\
\Rightarrow\;\;0,(6)=6/9=2/3\\
deci:\;\;3\cdot(12+3b)=2\cdot(18+3a}\\
36+9b=36+6a\\
9b=6a\;\;\Leftrightarrow\;\;\frac{a}{b}=\frac{9}{6}=\frac{3}{2}=1,5[/tex]