Question

UCLN(123456789;987654321) là

 

Answer 1

ta có:123456789=3^2.13717421
987654321=3^2.109739369
=> ƯCLN(123456789,987654321)=3^2=9
tick ủng hộ nha bạn!

Answer 2

mũ = mu

Ta có:123456789=3 mu 2 .13717421

987654321=3 mu 2 . 17 mũ 2 . 379721

Suy ra : UCLN (123456789;987654321) = 3 mu 2 =9