a) (8/11)² = 64/121
б) (3/4)³ = 27/64
в) (-2/3) в 4 степени = 16/81
г) (-5/6)³ = -125/216
д) (1 6/7)² = (23/7)² = 529/49
a) (8/11)² = 64/121
б) (3/4)³ = 27/64
в) (-2/3) в 4 степени = 16/81
г) (-5/6)³ = -125/216
д) (1 6/7)² = (23/7)² = 529/49