Question

Efetue a.2,64+,19 b)8,42-5,61 c)2,7+5+0,45

Answer 1

bom dia.
a)  2,64
+19,00
=21,64

b) 8,42
---5,61
=2,81

c) 2,7
++5,0
++0,45
==8,15