Question

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

Answer 1

= 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

Answer 2

(16,4-9,806+3047)-(16,7-9,431-0,89)= 3045,435

1)16,4-9,806+3047= 6,594+3047= 3053,594
2)16,7-9,431-0,89= 7,269+0,89= 8,159
3)3053,594-8,159=3045,435