Va rog ajutatima la Matematica

Răspuns:
[tex]20/25-14/25=6/25[/tex]
³⁾7/5-7/15 = [tex]\frac{21-7}{15} =14/15[/tex]
⁹⁾1/4-⁴⁾2/9 = [tex]\frac{9-8}{36} =1/36[/tex]
Răspuns:
20/25-14/25=6/25
7/5-7/15=21/15-7/15=14/15
1/4-2/9=9/36-8/36=1/36