(16,4-9,806+3047)-(16,7-9,431-0,89)

= 16,4 - 9,806 + 3047 - 16,7 + 9,431 + 0,89 = ( 16,4 + 3047 + 9,431 + 0,89 ) -- ( 9,806 + 16,7 ) = 3073,721 - 26,506 = 3047,215

(16,4-9,806+3047)-(16,7-9,431-0,89)= 3045,4351)16,4-9,806+3047= 6,594+3047= 3053,5942)16,7-9,431-0,89= 7,269+0,89= 8,1593)3053,594-8,159=3045,435