Răspuns :
Salut !
[tex] \frac{4}{12} + \frac{7}{12} = \frac{11}{12}[/tex]
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[tex] \frac{4}{12} + \frac{7}{12} = \frac{11}{12}[/tex]
.............
Răspuns
=11/12
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Explicație pas cu pas: