ajutooor 3,4,5 dau coroana
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La 3 inmultesti exponentii si ramane aceeasi baza: (3^4)^7=3^28
La 4 inmultesti bazele si ramane acelasi exponent: 3^16×7^16=21^16
La 5 imparti bazele si ramane acelasi exponent: 12^24:3^24=4^24
* "^" semnifica "la puterea"