Question

[nguyen thi ngoc khanh]

so sanh A va B : A = 333⁴⁴⁴va B = 444³³³

Answer 1

[soyeon_Tiểu bàng giải]

Ta có:

A = 333⁴⁴⁴ = (111.3)⁴⁴⁴ = 111⁴⁴⁴.3⁴⁴⁴ = 111³³³.111¹¹¹.3⁴⁴⁴

B = 444³³³ = 111³³³.4³³³ = 111³³³.(4³)¹¹¹ = 111³³³.64¹¹¹

Vì 111³³³.111¹¹¹.3⁴⁴⁴ > 111³³³.64¹¹¹

=> 333⁴⁴⁴ > 444³³³

=> A > B