Respuesta:
b) 6.5
c) 2.5
d) 2.6
e) 5.9
f) 7.5
Explicación paso a paso:
19 - 12.5 = 6.5 19 - 6.6 = 12.5
12.5 - 10 = 2.5 10 + 2.5 = 12.5
18 - 15.4 = 2.6 18 - 2.6 = 15.4
20.9 - 15 = 5.9 15 + 5.9 = 20.9
20 - 12.5 = 7.5 20 - 7.5 = 12.5
