Question

ex.3 ce inseamna cercul ala si cum se rezolva

Answer 1

Acel ,,cerc" este semnul multimii numerelor rationale,este un Q. [tex]a)x-9=0=\ \textgreater \ x=9\\ c)2x-2=1=\ \textgreater \ 2x=3=\ \textgreater \ x= \frac{3}{2} \\ e)4x+5=8=\ \textgreater \ 4x=3=\ \textgreater \ x= \frac{3}{4} \\ Iti~fac~d-ul,~care~e~putin~diferit~si~restul~le~faci~signgura,dupa\\ modelele~astea.\\ d) x-\frac{7}{11} = \frac{2}{3} (amplificam~prima~fractie~cu~33,a-2-a~cu~3~si\\ ultima~cu~11)\\ 33x-21=22\\ 33x=33\\ x=11[/tex]