Răspuns :
Răspuns:
10/7×(¹⁰⁾5/6-³⁾7/20)=
10/7×(50/60-21/60)=
10/7×29/60=
29/42
[tex]\it \dfrac{10}{7}\cdot\Big(\dfrac{^{10)}5}{\ 6}-\dfrac{^{3)}7}{\ 20}\Big)=\dfrac{10}{7}\cdot\dfrac{50-21}{60}=\dfrac{10}{7}\cdot\dfrac{29}{60}=\dfrac{\ \ 290^{(10}}{420}=\dfrac{29}{42}[/tex]