2 5a 10 )- 3 2a 1 ) 4 a 5 July 8, 2019 16 32 64 128 2 5a 10 )- 3 2a 1 )+ 4 a 5 2) (5a - 10) ^ 2 - (3a - 8) ^ 2 + 4a если a = 6 2)-2 5(10a - 1) + 3 8(5a-3)
