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x=2,(3) + radical 4,1616 - 0,04 si y=18\5 * [0,(6) + 0,16]

Răspuns :

X=2,(3)+2,06-0,04=2,(3)+2,02

[tex] x = \frac{23 - 3}{9} + \frac{202}{100} [/tex]

[tex]x = \frac{2100}{900} + \frac{1818}{900} [/tex]

[tex]x = \frac{3918}{900} [/tex]

x=4,35(3)