Respuesta :

Answer:

Step-by-step explanation:

a. 0.5+0.3 = 0.8

b. 2.7+28.2 = 30.9

c. 3.1+2.4+9.9 = 15.4

d. 15.2+1.4+0.8 = 17.4

e. 39.2+2.5+0.9 = 42.6