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cum pot calcula 1,860 deadunat 4 intreg si 2 pe 5


Răspuns :

[tex]1,860+4\frac{2}{5}=1,860+\frac{4\cdot 5+2}{5}=1,860+\frac{22}{5}=\\ =1,860+4,4=6,26[/tex]