October 2018 1 20 Report

Rozwiąż układy równań daje naj

1.

{x=2y

{x+y=15

2.

{x+y=7

{2x+3y=15

3.

{x=y

{9y-x=8

4.

{x+y=12

{x-y=5

5.

{4x+6y=3

{ 2x+4y= 2


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