October 2018 1 20 Report

16/43 matematyka 2 zbiór zadań Rozwiąż uklady rownan dowolna metoda

1/4 chodzi o ułamkek jakby ktoś nie wiedział :)

d) 4(x-2)-y=1

2x-4y=8

e) a/3+b/5=7

a/4-b/5=0

f) k/3+l/4=1

k/4+l/8=1

h) 5x-5y=2,5

7y+3x=-14,5


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