September 2018 2 19 Report

plisss!daje naj! Zapisz w jaknajprostrzej postaci:

(a+b)-(2a-b)-(a-2b)= ?

(3x-y+1)-(x+y)+(y-x)= ?

-(kx+ny)-(3kx+2ny)+(5kx-3ny)= ?

(2ab+a+3)-(3ab-a+3)= ?

(4x[do potęgi2]-3x)-(x+0,1x[do potęgi2])-(x[do potęgi2]0,1x)= ?

Z góry dzięki :)


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