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15/102

Doprowadź do najprostszej postaci.

a) (a+b)²+(a-b)²=

b) (a-b)²-(a-b)(a+b)=

16/102

Rozwiąż równanie.

a) (x-5)(x+5)=(x-3)²

b) (2a-1)²=(2a+1)(2a-1)

Te zadania są w podręczniku Matematyka 2001.

Proszę bardzo o pomoc! :(

DAM NAJ.

Pozdrawiam,

Adrian626


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