September 2018 1 12 Report

Rozwiąż rownania :
a) {2x-3y=4

2y-3x=5

b) {x-2y=5

1/2x-y=2.5

zastąp symbole takimi liczbami aby otrzymane układy równań byly nieoznaczone

{ x+3y=4

1/3x+y= ♥

{6x+2y=1

9x+3y= ♥

{ 2(x+1)-y=5

2(y-x)-2x= ♥


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