M 5 m 2 4 m 3 7 July 8, 2019 16 32 64 128 7 m 1 4 m 5 3 m 2 5 2 m 4 )+ 8 m 7 2 3 5 m )-( 21 3m 5 2 m− 5 4 − 5 3 m - m * (4 - m) - (m - 5) ^ 2 при m = - 5/6