Răspuns :
n : 9 = x rest 3
n : 18 = x rest 3
n : 27 = x rest 3
9 = 3²
18 = 2 * 3²
27 = 3³
2 * 3³ = 54
a) n = 54 + 3 = 57
b) 54 * 2 + 3 = 108 + 3 = 111
54 * 3 + 3 = 162 + 3 = 165
54 * 4 + 3 = 216 + 3 = 219
100 < n < 250
n : 18 = x rest 3
n : 27 = x rest 3
9 = 3²
18 = 2 * 3²
27 = 3³
2 * 3³ = 54
a) n = 54 + 3 = 57
b) 54 * 2 + 3 = 108 + 3 = 111
54 * 3 + 3 = 162 + 3 = 165
54 * 4 + 3 = 216 + 3 = 219
100 < n < 250