August 2018 2 23 Report
Układy równań rozwiąż i rozpisz :
a)5x-y=7
2(x-1)=2y
b) 4(x-2)-y=1
2x-4y=8
c) a/3 + b/5=7
a/4- b/5=0
d) k/3 + l/4=1
k/4+ l/8=1
prosze mam to na jutro!
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