January 2019 0 15 Report
Rozwiąż układy równań metoda przeciwnych współczynników :
d) 5v₁ + 4v₂ = 4

7v₁ + 5v₂ = 6

e) 4x + 5y = 12,3

3x - 2y = -4

f) 3x - 0,2y = 35

2,5x - 5y = 5

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