Question

Calculati: a)1/2+2/3:4/9=...

Answer 1

a. 1/2+2/3·9/4
⇒1/2+1/1·3/2
⇒1/2+3/2
⇒4/2=2;

Answer 2

Acest exercitiu ia o forma mai simpla
$\frac{1}{2} + \frac{2}{3} * \frac{9}{4}$
$\frac{1}{2}+ \frac{1}{1} * \frac{3}{2}$
$\frac{1}{2} + \frac{3}{2}$
$\frac{4}{2} =2$