Daca 293:b=7r6,atunci determinati valoare nr natural b

Răspuns :

293:b = 7r6 => 293 = 7b + 6 => 7b = 287 => b = 41

b=?

Rezolvare:

293=7b+6

293-6=7b

287=7b

b=287:7;    b=41