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[tex]3 + \frac{1}{4} + \frac{2}{5} [/tex]
Va roggggg ​


Răspuns :

[tex]3+\frac{1}{4} +\frac{2}{5} =\\\frac{60}{20} +\frac{5}{20} +\frac{8}{20} =\\\frac{60+5+8}{20} =\frac{73}{20}[/tex]