Răspuns :
n : 11 = c rest 4
n = 11 × c + 4
ptr c = 1 aflam cel mai mic nr nat
n = 11 × 1 + 4
n = 15
_____
n = 11 × c + 4
ptr c = 1 aflam cel mai mic nr nat
n = 11 × 1 + 4
n = 15
_____