Question

-927+1421+930+(-1421)

Answer 1

 -927+1421+930+(-1421)

= -927 + 930 + [ 1421 + (-1421) ]

= 3 + 0 

=3

Answer 2

( - 927 ) + 1421 + 930 + ( -1421 )

= 494 + ( - 491 )

= 3

Đảm bảo 100%

Answer 3

-927 + 1421 + 930 + ( -1421 )

= -927 + 930 + [ 1421 + ( -1421 ) ]

= -927 + 930 + 0

= 3

- Tk mình nha bn