January 2019 0 35 Report
Rozwiąż układy równań metodą podstawiania.
c) 3m+n=9
2m-5n=-11

e)5x=4-2y
4x+y=3

f)6x-3y=9
x+5y=-9,5

Klasa 2 gimnazjum! Matematyka z plusem!

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