October 2018 1 12 Report

DAJE NAJ!!!

zapisz w jak najprostrzej postaci

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

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

-(2a²-3ab)-(2b-3a²)+(-ab-b)=

oblicz wartość liczbową wyrażenia proszę daje naj

4x-(x+6)+4= dla x= 1/3 - 1/3 to ułamek

(x²+1)-(x²-2)+10= dla x = 2,2

(a+4b)-(5+2a)-(3b-5)= dla a= -0,1 b= 0,2

(-a²+2ab-1)+(a²-4ab+5)= dla a =1/4 i b =2


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