Oblicz wartość wyrażenia: 3 do potęgi minus drugiej * 2/3 - (9/8) do potęgi minus pierwszej.
= 1/3 do potęgi 2 * 2/3 - 8/9 = 1/9 * 2/3 - 8/9 = 2/27 - 8/9 = 2/27 - 24/27 = -22/27
3^-2 * 2/3 - (9/8)^-1=1/9 * 2/3 - 8/9=2/27 - 8/9=8/27-24/27=-22/27=-22/27
("^" oznacza do potęgi)
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= 1/3 do potęgi 2 * 2/3 - 8/9 = 1/9 * 2/3 - 8/9 = 2/27 - 8/9 = 2/27 - 24/27 = -22/27
3^-2 * 2/3 - (9/8)^-1=1/9 * 2/3 - 8/9=2/27 - 8/9=8/27-24/27=-22/27=-22/27
("^" oznacza do potęgi)