October 2018 1 9 Report

Wykonaj odpowiednie działania. Wynik doprowadź do najprostszej postaci.

2a+3b-a+2b-a=

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

(5x-y)-(x-3y)=

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

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

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

(b + 3b do kwadratu + (b-3b do kwadratu)=

(a+2b-3)+(2a-2b-3)=

- (2+x)- (-4-3x)=

- (5+a)- (2a-6)=

- (3x+y)+ (6x+3y)=

- (ab+3b)+(3ab-2b)=

(ab+b-a) - (ab-a+b)=

(2ab+b-3)- (b-6+2ab)=

- (2a do kwadratu + a -1)+(3a do kwadratu+a+1)=

2a+(3a-2)-(5a-6)=

xy-(x+y)+x=

Dam naj. Dziękuję. <3


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