August 2018 3 14 Report
1 rozwiąż układy równań metodą podstawiania
a) 0,4x+0,3y=1,4
0,1x+3y=2,3
b) 1/2x-2y=8
2x+5y=6
c) 1/2x-3/4y=0
2/3x+1 1/4y=9
d)3x+4y=1 2/3
6x+3y=1 1/4

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