👤

suma liczb 1 1/2 i 2 2/5 to a3 2/10 B3 9/10 C3 2/7​

Odpowiedź :

Obliczenia

[tex]1\frac{1}{2}+2\frac{2}{5}=1\frac{1\cdot5}{2\cdot5}+2\frac{2\cdot2}{5\cdot2}=1\frac{5}{10}+2\frac{4}{10}=3\frac{9}{10}\\\\\huge\boxed{\text{Odp}. \ \text{B}}[/tex]