Pratica l'addizione con tipi di esercizi misti!
- Question 1: blank plus 2 equals 3.
- Question 2: 2 plus 5 equals blank.
- Question 3: blank plus 1 equals 5.
- Question 4: 1 plus 1 equals blank.
- Question 5: blank plus 3 equals 6.
- Question 6: 4 plus 2 equals blank.
