October 2018 1 59 Report

1. Rozwiąż równanie: a) 3|x|=9 b) |x-7|=9 c) |5-x|=3

2. Rozwiąż nierówność: a) |x-2|7

3. Niech A= . Wyznacz: A n B, A u B, A \ B, B \ A


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