Question

Simplifique as expressões:

a) 6- ( 1,25x2,8 ) + ( 5-0,68 ) =

b) 10- ( 1,2-0,698+3,28) =

c) (7-1,42) + (0,7+0,96)-(8-5,299) =

d) 0,01 + (3-0,89) - (6-5,609) =

Me ajudem pfv!!

Answer 1

A)
$6 - (1.25 \times 2.8) + (5 - 0.68) \\ 6 - 3.5 + 4.32 = 6.82$
B)
$10 - (1.2 - 0.698 + 3.28) \\ 10 - 3.782 = 6.218$
C)
$(7 - 1.42) + (0.7 + 0.96) - (8 - 5.299) \\ 5.58 + 1.66 - 2.701 = 4.539$
D)
$0.01 + (3 - 0.89) - (6 - 5.609) \\ 0.01 + 2.11 - 0.391 = 1.729$

espero ter ajudado