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0,(4) • 3 + 20 • 0,05=

Răspuns :

[tex] \frac{4}{9} *3+20* \frac{5}{100} = \frac{4}{3} + \frac{5}{5} = \frac{4}{3} +1= \frac{4}{3}+ \frac{3}{3} = \frac{7}{3} [/tex]