Va rog exercițiul 4

Răspuns:
1/2:3/2:4/3:5/4:6/5:7/6= 1/7
Explicație pas cu pas:
1/2:3/2:4/3:5/4:6/5:7/6= 1/2·(2/3)·(3/4)·(4/5)·(5/6)·(6/7)= (1·2·3·4·5·6)/(2·3·4·5·6·7) Se simplifica termenii de la numitor si numarator si obtinem 1/7
⇒1/2:3/2:4/3:5/4:6/5:7/6= 1/7