Odpowiedź:
I. x²= 81
x=9
II. (x-3)(x²-81)=0
x³ - 81x -3x² + 243 = 0
Nie, c
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Odpowiedź:
I. x²= 81
x=9
II. (x-3)(x²-81)=0
x³ - 81x -3x² + 243 = 0
Nie, c