October 2018 1 20 Report

Rozwiąż układ równań:
2x-y=-4
x-2y=7

5x-2y=7
3x-3y=-3

1/5x+y=3
3/5x-1/2y=2

0,3x-0,4y=1,7
0,5x+0,2y=1,1

PROSZĘ O POMOC!


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