25 . 201 - 25 . 201o
= 25 . (201 - 1) = 32 . 200
= 6400
2^5.201-25.201^0
=>2^5.(201-1)=32.200
=6400
tick nha
Ta có: 2 ^ 5 = 32 ; 201 ^ 0 = 1
=> 32 x 201 - 32 x 1
= 32 x ( 201 - 1 )
= 32 x 200
= 6400
25.201-25.2010
=25.201-25.1
=25.(201-1)
=32.200
=6400