October 2018 1 28 Report

zadanie 12 str. 131 MATeMAtyka 1

rozw. uklad rownan:

a) x+2y-z= -4

2y+z=2

2y= -2

b) x-2y-z=-9

2y+3z=16

3y-z=2

c) x+2y-z=8

2x+2y-z=10

2x+3y+z=5

d) x-y-2z=-5

x+2y+z=4

x-3y-2z=-3

proszę szybko, zrozumiale i dobrze ;D !

sa to uklady rownan liniowych ;] z 3 niewiadomymi ;p


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