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9la puterea 4x27la puterea4. Si 81 la puterea 2 x. 3 la puterea 5

Răspuns :

9^4*27^4=
(3^2)^4*(3^3)^4=
3^8*3^12=3^20

81^2*3^5=
(3^4)^2*3^5=
3^8*3^5=3^13