1. Sumar y restar decimales
https://www.smartick.es/matematicas/exercise.html?resource=sumas-y-restas-de-decimales-I
https://www.smartick.es/matematicas/exercise.html?resource=sumas-y-restas-de-decimales-II
https://www.smartick.es/matematicas/exercise.html?resource=sumas-y-restas-de-decimales-III
2. Multiplicar decimales
https://www.smartick.es/matematicas/exercise.html?resource=multiplicacion-de-decimales-I
https://www.smartick.es/matematicas/exercise.html?resource=multiplicacion-de-decimales-II
3. Dividir decimales
https://www.smartick.es/matematicas/exercise.html?resource=decimales-entre-enteros
https://www.smartick.es/matematicas/exercise.html?resource=entero-entre-entero-y-resultado-decimal-2
https://www.smartick.es/matematicas/exercise.html?resource=entero-entre-entero-y-resultado-decimal
https://www.smartick.es/matematicas/exercise.html?resource=enteros-entre-decimales