Răspuns:
Explicație pas cu pas:
10/15+7/9=2/3+7/9=(2·3+7)/9=(6+7)/9=13/9=1 4/9
Salut,
[tex]\dfrac{10}{15}+\dfrac{7}9=\dfrac{2\cdot 5}{3\cdot 5}+\dfrac{7}9=\dfrac{2}{3}+\dfrac{7}9=\dfrac{6}9+\dfrac{7}9=\dfrac{6+7}9=\dfrac{13}9.[/tex]
A fost greu ?
Green eyes.
