August 2018 3 17 Report
11.Rozwiąż (domyśl się jaką liczbę trza wstawic w liczbę x)
a) 2,5x = 5
b) 0,2x = 2
c) 1/6 x = 1
e) 7 - x = 6,5
f) 11x = 0

13.Rozwiąż

a) (2x - 1)² = 0
b) (x + 2)³ = 1
c) (1 - x)³ = -1
e) (x - 1)(x + 2) = 0
f) (4 - x)(2 + x) = 0
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