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[2^12×2^18+5^70:5^10-(3^25)^2]:[4^2×2^3×2^23+(5^15)^2^2-(3^2)^5^2]

Răspuns :

[2^12×2^18+5^70:5^10-(3^25)^2]:[4^2×2^3×2^23+(5^15)^2^2-(3^2)^5^2] =
=(2^30+5^60-3^50):(2^30+5^60-3^50) =1