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(3la puterea 19inmultit 25 la puterea 9 ):15 la puterea 36=?


Răspuns :

(3^19 × 25^9) : 15^36=
=(3^19 × 5^18) : (3^36 ×5^36)=
=1/(3^17 × 5^18)=
=1/(15^17×5)