Odpowiedź :
Hej!
[tex]\underline{2\frac{1}{4}+\frac{3}{4}}+3\frac{2}{3}+1\frac{4}{5}=3+3\frac{10}{15}+1\frac{12}{15}=\\\\=3+4\frac{22}{15}=3+5\frac{7}{15}=\boxed{8\frac{7}{15}}[/tex]
Pozdrawiam! <3
Hej!
[tex]\underline{2\frac{1}{4}+\frac{3}{4}}+3\frac{2}{3}+1\frac{4}{5}=3+3\frac{10}{15}+1\frac{12}{15}=\\\\=3+4\frac{22}{15}=3+5\frac{7}{15}=\boxed{8\frac{7}{15}}[/tex]
Pozdrawiam! <3