1) а - bc = 56/59 - (7/59 * 8) = 56/59 - 56/59 = 0
2) kd + ml = (6/79 5) + (7/79 7) = 30/79 + 49/79 = 79/79 = 1
1) а - bc = 56/59 - (7/59 * 8) = 56/59 - 56/59 = 0
2) kd + ml = (6/79 5) + (7/79 7) = 30/79 + 49/79 = 79/79 = 1