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