Question

SO  SÁNH \(172^{65}-172^{64}\) VÀ \(172^{64}-172^{63}\)

(CÁCH LÀM NHA)

Answer 1

\(172^{65}-172^{64}=172^{64}.\left(172-1\right)=172^{64}.171\)

\(172^{64}-172^{63}=172^{63}\left(172-1\right)=172^{63}.171\)

vi \(172^{64}>172^{63}\)  nen \(172^{64}.171>172^{63}.171\)

                     vay \(172^{65}-172^{64}>172^{64}-172^{63}\)

Answer 2

băng nhau

Answer 3

lấy mũ số trừ cho nhau

Answer 4

172⁶⁵ -172⁶⁴= 172¹

172^64-172⁶³=172¹

Nên bằng nhau