September 2018 1 18 Report

rozwiąz układy równań .

a ) 5v₁ + 4v₂ = 4

7v₁ + 5v₂ = 6

b ) 4x + 5y = 12,3

3x - 2y = -4

c ) 3x - 0,2 = 35

2,5x - 5y = 5

d ) ( x-2 ) ( x + 2 ) + 3y = ( x - 2 )² + 2y

2x + 5 y = 12

e ) ( 3x-1) ² + x(2-x) + 4 = 10 (x-2) (x+2 ) + 2y + 41

9 (y-2)² - 2 ( x-1)² + 2 = (3y-1) ² - 2x ( x 8 ) - 49 .

punkt d , e to trzeba użyć wzorów skróconego mnożenia..

daje naj .


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