d, $-385(149-298)-298(149+385)-683.851$
$=-385.149+385.298-298.149-298.385-(385+298).851$
$=-(385+298).149-(385+298).851$
$=-683(149+851)=-683.1000=-683000$
e, $-719(315-917)-917(315+719)-315.(-1436)$
$=-719.315+719.917-917.315-917.719+315.1436$
$=(-719-917).315+1436.315$
$=-1436.315+1436.315=0$