January 2019 1 56 Report
Rozwiąż nierówność
a) |5-|x|| >3
b) ||x+1|-x| ≤ 2
c) |x-2|- |x| < 4
d) |x+5|-|x-2| ≤ 3
e) |x+3|-|x-1| >1
f) |x-2| - |x+3| ≥ 1+x
Posze o obliczenia i wytłumaczenie. z góry dziękuje. :)
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