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(-1½)(do potęgi 5) x (-1½) (do potęgi 8) : (1½) (do potęgi 11) =
=(-1½)(do potęgi 2)
(-1½)²=9/4=2¼
(-1½)(do potęgi 5) x (-1½) (do potęgi 8) : (1½) (do potęgi 11)=(-1½)¹³: (1½) (do potęgi 11)=(-1½)²=9/4=2¼
(-1½)⁵ x (-1½)⁸ : (1½)¹¹=(-1½)¹³:(-1½)¹¹=(-1½)²=2¼