Pratica l'addizione con tipi di esercizi misti!
- Question 1: blank plus 1 equals 2.
- Question 2: 1 plus 5 equals blank.
- Question 3: 5 plus 3 equals blank.
- Question 4: 3 plus 1 equals blank.
- Question 5: 1 plus 3 equals blank.
- Question 6: blank plus 4 equals 8.
