а) (33-30) + (29-25) + (25-20) + (21-15) + (17-10) + (13-5) = 3 + 4 + 5 + 6 + 7 + 8 = 33
б) (50-38) + (43-32) + (36-26) + (29-20) + (22-14) + (15-8) + (8-2) = 12 + 11 + 10 + 9 + 8 + 7 + 6 = 63
а) (33-30) + (29-25) + (25-20) + (21-15) + (17-10) + (13-5) = 3 + 4 + 5 + 6 + 7 + 8 = 33
б) (50-38) + (43-32) + (36-26) + (29-20) + (22-14) + (15-8) + (8-2) = 12 + 11 + 10 + 9 + 8 + 7 + 6 = 63