Zapisz w postaci jednej potęgi:
a) 25 * 5³*5⁰
b) 1/81 *1/9 * (1/3)⁷
c) 9*3⁹*27/3⁷:3⁴
d) 7¹¹:49/7⁴*7³
Potrzebne na jutro. Daje naj.
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