Question

se considera multimea A{1/4,4/6,2/5,6/9,8/12,6/10,7/12,10/15,20/30}scrieti submultimea multimii A formata din fractiil echivalente cu fractiea 2/3

Answer 1

submultimea={4/6, 6/9, 8/12, 10/15, 20/30}
fractii echivalente: a/b ~ c/d <=> a*d = b*c