Question

arme e efetue
a) 12,35+4,28
b) -34,7-12,40
c) (-23,4)-(-14,7)
d) 54,18-33,4​

Answer 1

Resposta:

a)12,35+4,28

= 16,63

b) -34,7-12,40

= -46,47

c) (-23,4)-(-14,7)

= -23,4 + 14,7

= -8,7

d) 54,18-33,4

= 21,14