September 2018 1 51 Report

proszę o pomoc matematyka klII gimnazjum zad10 str 103 na jutro

d)
{(x + y)/2 - x/3 = 4

{(x - y)/2 + y/3=-3

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f)

{(3x - 2)/3 -( 2x + y)/6 = x + 1/6

{x + y - (-x + y)/5 = 1/5 - 0,8x

/=ułamek


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