Question

4) Considerando que x= 1,578, y= 6,85 e z=23,9, calcule:
a) x + y=
b) x + z=
c) y + z=
d) x + y + z=
e) (x + y) + z=
f) x + (y + z)=​

Answer 1

a) 1,578+6,85

=8,427

b) 1,578+23,9

=25,478

c) 6,85+23,9

=30,75

d) 1,578+6,85+23,9

=32,328

e) (1,578+6,85)+23,9

=8,428+23,9

=32,328

f) 1,578+(6,85+23,9)

=1,578+30,75

=32,328

espero ter ajudado