September 2018 1 18 Report

Rozwiąż układy równań metodą podstawiania! ;DD

{ m= 0,3n

{ m+n= 65

{ k+4d= 16,5

{ 2k + 6d= 29

{ x+y= 32

{ 3y + x= 52

{ 2a+3b=42

{ a+b+9= 27


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