October 2018 1 25 Report

rozwiąż układy równań :D pomocy bo dostane lufe z maty ;d

a) \begin{cases} 0,5x+0,2y=2

1,5 x+0,5y=5,5

b) \begin{cases} 0,3x+0,5y=-2

0,5x+0,25y=-4,5

c)\begin{cases} 2x-0,3y=0,9

0,4x+0,1y=-0,3

d)\begin{cases} 0,4x+0,25y=0.15

0,2x+0,4y=0,2


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