A. -1
B.
C. 1
D.
Odpowiedź b
((1+1)⁻¹)+1)⁻¹=(2⁻¹+1)⁻¹=(½+1)⁻¹=(1½)⁻¹=⅔
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Odpowiedź b
((1+1)⁻¹)+1)⁻¹=(2⁻¹+1)⁻¹=(½+1)⁻¹=(1½)⁻¹=⅔