October 2018 1 31 Report

Zapisz w jak najprostrzej postaci:

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

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

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

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

e) (4x2-3x)-(x+0,1x2)-(x2-0,1x)=

prosze o szybką opd:)


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