October 2018 1 38 Report

1. rozwiaz graficznie uklad rownan

a) x+y=2

x-y=4

b) 3x+2y=5

1,5x+y=2,5

c) x-y=5

2x+2y=14

d) 1/2x+1/4y=1

2x+y=8

e)3x+y=5

6x+2y=0,3

f) 0,1x-0.2y=0.3

-1/2x+y=1,5

prosze o rozwiazanie ;)

z gory dzieki ;P


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