Question

Va rog mult ajutatima am nevoie urgent de ajutor dau coroana!!​

Answer 1

Răspuns:

4/5→(-1/5)→3/5→(+2/5)→1→(-4/9)→5/9→(+2/9)→7/9

Explicație pas cu pas:

Primele 2 casute 4/5-1/5=3/5; 3/5+2/5=5/5=1

Dupa 1 avem  1-4/9=5/9; 5/9+2/9=7/9 (Ultimele 2 casute)

4/5→(-1/5)→3/5→(+2/5)→1→(-4/9)→5/9→(+2/9)→7/9