M 1 x2 2 m 3 x m 8 0 July 8, 2019 16 32 64 128 M 2 + 0 8 при m = 1 6 M3+8 и (m+2)(m2+4) (8m)/(m ^ 2 - 1) / ((m + 1)/(m - 1) - (m - 1)/(m + 1))