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