September 2018 1 7 Report

matematyka z plusem kl 2 Zadanie 13 strona 83 przykład e i f.

e) 2(3a do potęgi 2 - 1) - (a + 2) (a + 2)

f) 5x do potęgi 2 (x do potęgi 2 + 1) - (x do potęgi 2 - 2) (x do potęgi 2 + 3)


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