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a fost răspuns

(2t+z²)³
(a²-b²)³
(a²b²-a la puterea a 5)³
Ajutoooorrrr.

Răspuns :

Dinamita9891
(2t+z²)²•(2t+z²)=(4t²+4tz²+z⁴)•(2t+z)=8t³+8t²z²+2tz⁴+4t²z+4tz²+z la 5.

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