September 2018 1 24 Report

zad.10 str.103 Podręcznik matematyka z plusem podpunkt d,e,f

Tylko nie same wyniki ;)

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

x-y/2 + y/3 = -3

e) 3x-1/5 + 2y-3/4=3(y+1)

x+y/4- 3y-1/2=x-6y/4

f) 3x-2/3 - 2x+y/6=x+1/6

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


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