Question

[Ngô Văn Tuấn]

So sánh

3³⁹ va 11²¹

72⁴⁵-72⁴⁴ va 72⁴⁴-72⁴³

Answer 1

[robert lewandoski]

\(72^{45}-72^{44}=72^{44}\left(72-1\right)=72^{44}.71\)

\(72^{44}-72^{43}=72^{43}\left(72-1\right)=72^{43}.71\)

vì 72^44>72^43

=>72^44.71>72^43.71