A 7 2 3a 5 1 July 8, 2019 16 32 64 128 2 a 8 )+ 7 5 a 2 )- 3a 19 2 6 3a 5 )- 7 8 a 10 (a ^ 2) ^ 3 * a ^ 5 / (a ^ 7) (a - 2)/(7a) + (2a + 5)/(7a) - (3 - a)/(7a) 5a + 3a - 7a - 2a
