a - b = 438 2.25 / 100 * a = 8,(3) / 100 * b 0.0225 * a = (83 - 8)/9 / 100 * b 0.0225 * a = 75/9 / 100 * b 0.0225 * a = 75/9*100 * b 0.0225 * a = 1/12 * b 0.0225 a = b / 12 0.0225 * 12 * a = b 0.27 a = b a - 0.27 a = 438 0.73 a = 438 a = 438 / 0.73 a = 600 600 - b = 438 b = 162 Numerele sunt: 600 si 162.