Question

tính thuận tiện:

1996+3992+5988+7984

giúp tui nha!

Answer 1

( 1996 + 7984 ) + ( 3992 + 5988 ) = 9980 + 9980 = 19960

Answer 2

1996+3992+5988+7984

=1x1996+2x1996+3x1996+4x1996

=(1+2+3+4)x1996

=10x1996

=19960

k minh với

Answer 3

1996 + 3992 + 5988 + 7984

= ( 1996 + 7984 ) + ( 3992 + 5998 )

= 9980 + 9980

= 9980 x 2

= 19960

Answer 4

1996+3992+5988+7984

= ( 1996+7988) + ( 3992+ 5988)

=       9980 + 9980

=            19960

Answer 5

1996 + 3992 + 5988 + 7984

=(1996 + 7984)+(3992 + 5988)

=9980 + 9980

=19960