Pratica l'addizione con tipi di esercizi misti!
- Question 1: blank plus 3 equals 7.
- Question 2: 5 plus 5 equals blank.
- Question 3: 2 plus 1 equals blank.
- Question 4: 2 plus 5 equals blank.
- Question 5: 3 plus 1 equals blank.
- Question 6: blank plus 2 equals 5.