¡Practica la suma con tipos de ejercicios mixtos!
- Question 1: 2 plus 5 equals blank.
- Question 2: 2 plus 1 equals blank.
- Question 3: blank plus 3 equals 5.
- Question 4: blank plus 5 equals 9.
- Question 5: 1 plus 3 equals blank.
- Question 6: blank plus 5 equals 9.
