a. REZOLVARE: x:24 = c1 rest 17 => x = M24 (indice) + 17; x:48=c2 rest 17 => x = M48 (indice) + 17; x: 40=c3 rest 17 => x=M40 (indice) + 17. => x=[24,48,40]+17. 24=2³ * 3; 48=2^4 (la puterea a patra) *3; 40=2^3 ( la puterea a treia) * 5 => [24,48,40] = 2^4 * 3*5=16*15=240 => x=240+17=257.