👤

( -2 ) + ( -3 ) =
- (-3 ) – ( -4) =

-( 2 ) + ( -4 ) – ( -2 ) =

( 2 ) + ( -4 ) – ( -3 ) =

( -5 ) + ( -4 ) – ( -4 ) + ( -6 ) – ( -7 ) + ( -4 ) =

PORFAVORR