October 2018 2 10 Report

Rozwiąż układy równań ; a) 4x + 3y = 2

3x - 5y = 16

b) 6x + 3y= -1,5

5x + 2y = -0,5

c) 0,5a-0,1b=2,1

b= 2a - 9

czekam na odpowiedzi :)


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