October 2018 1 29 Report

Rozwiąż układy równań.

c) y-x do 2 =4
y+x do 2 = 12

d) x- pierwiastek y=0
x+ pierwiastek y = 8

e) (x-y) do 17 = 0
x+y=6

f) x(x+y)=0
x-y=10

pilne,plis ;)


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