ajutați mă la aceste doua ex dau coroana promit!!!
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Răspuns:
(8^18:8^15)^2:8^4=(8^3)^2:8^4=8^6:8^4=8^2=64
(3^7)^2÷3^10:3^3=3^14:3^10:3^3=3^1=3