Đưa A sau về hàm luỹ thừa: $4,984480412.10^{84}$(vd:$16=2^4$;$35=2^5+3$) Viết một biểu thức thăng bậc sao cho biểu thức bằng $(1,844674407.10^{19})^{500000}$(vd:Biểu thức thăng bậc cuả 18 là $2^3+2^2+2.2$) Toán nâng cao!!!

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