Question

Hãy tìm ƯC( 42 ) ?

Answer 1

Nhầm đề nha !

Đề : Tìm ƯC ( 42 ; 22 ) ?

Answer 2

\(\text{Ta có : }\hept{\begin{cases}42=2.3.7&22=2.11&\end{cases}}\Rightarrow\left(42,22\right)=2\)

\(\RightarrowƯC\left(22,42\right)=Ư\left(2\right)=\left\{1;2\right\}\)

Hk tốt

Answer 3

ta có :{ 42 = 2.3.7.22=2..11 

=> (42,22) = 2

=> ƯC (22,42 ) = Ư (2) 

= {1,2}

Answer 4

\(\text{Tìm }\text{ƯC}\left(42\text{ },\text{ }22\right)\)

\(\text{Ta có : }\)

\(42=2\cdot3\cdot7\)

\(22=2\cdot11\)

\(\Rightarrow\text{ ƯCLN}\left(42\text{ , }22\right)=2\)

\(\Rightarrow\text{ }\text{ƯC}\left(42\text{ , }22\right)=\text{Ư}\left(2\right)=\left\{1\text{ ; }2\right\}\)

Answer 5

ƯC(42)={1; 2 ; 3;6;7;14; 21;42}