Question

tính :

512 x ( 2 - 128 ) - 128 x ( - 512 )

Answer 1

=512 x 2 - 128 x 512 - (-512) x 128

=512x2-128x512+512x128

=512x2+0=1024

Answer 2

1024 , tick mk tick lại !!!

Answer 3

512 . ( 2 - 128 ) - 128 . ( - 512 ) = 512 . 2 - 512 . 128 +128 . ( - 512 ) =1024 - [ 512 . 128 + 128 .(-512) ] = 1024 - [128 .  (512 - 512) ] = 1024- [ 128 . 0 ] =1024