Catalinonei2010 Catalinonei2010 12-01-2022 Matematică a fost răspuns Efectuați: a) 3/5:6/7, b) 1/6:7/12 c)1/3:2/9, d) 1/9:1/7, e) 7:7/3, f)5/8:2/3, g) 7/9:1/3, h) 5/8:1/2.