October 2018 2 36 Report

Rozwiąż układy równań

a)

{a+b+c+d=10

{a-b+c-d=-2

{a+b-c-d=-4

{a+b+c-d=2

b)

{1-x-y=5

{7+4x=y-1

DAJE NAJ...
PROSZE O DOKŁADNE I RZETELNE ROZWIAZANIE


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