IV÷V=4rest379;IV+V=2629

Răspuns :

IV : V = 4 rest 379 ⇒ IV = 4×V + 379
IV + V = 2 629
4×V +379 + V= 2 629
5×V = 2 629 -379
V= 2 250:5
V= 450
IV = 4×450 + 379 =1 800 + 379 = 2 179
sau    2 629 - 450 = 2 179