December 2018 1 15 Report
Czesc czy mógł by ktoś rozwiazć ten uklad rownana metoda przecwinych wspołczynnikow ?

a 4x+3y=10
3x+4y=11

b 2x+5y= -6
7x+4y=-21

c 5x+2y=12
2x+5y=9

d 2x+3y=18
x+y=7

e -7x-3y=-11
5x-6y=16

f x-2y=-14
2x-y=-10

Dam naj



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