Question

Cine imi poate rezolva si mie fractia 3a/12+a/6=a2/12?Sa se afle cifra a.

Answer 1

$\frac{3a}{12}+ \frac{a}{6}= \frac{3a}{12}+\frac{2*a}{12}= \frac{3a+2*a}{12}$

Daca a = 4 => $\frac{34+2*4}{12}=\frac{34+8}{12}=\frac{42}{12}$

=> a = 4.