Salut.
[tex]\displaystyle{\frac{5a}{a+1}+\frac{5a}{a+1}=?}[/tex]
[tex]\displaystyle{\frac{5a}{a+1}+\frac{5a}{a+1}=\frac{5a + 5a}{a+1}}[/tex]
[tex]\displaystyle{\frac{5a+5a}{a+1}=\frac{a\times (5 + 5)}{a + 1}=\frac{10a}{a+1}}[/tex]
Răspuns:
[tex]\displaystyle{\frac{10a}{a+1}}[/tex]
- Lumberjack25