Odpowiedź :
Cześć!
Obliczenia
[tex]\dfrac{7}{12}+\dfrac{11}{12}+\dfrac{5}{12}=\dfrac{7+11+5}{12}=\dfrac{23}{12}=\dfrac{12}{12}+\dfrac{11}{12}=1+\dfrac{11}{12}=\boxed{1\frac{11}{12}}\\[/tex]
Cześć!
Obliczenia
[tex]\dfrac{7}{12}+\dfrac{11}{12}+\dfrac{5}{12}=\dfrac{7+11+5}{12}=\dfrac{23}{12}=\dfrac{12}{12}+\dfrac{11}{12}=1+\dfrac{11}{12}=\boxed{1\frac{11}{12}}\\[/tex]