¡Encuentra el número que falta para completar la resta!
- Question 1: 9 minus blank equals 7.
- Question 2: 3 minus blank equals 1.
- Question 3: 4 minus blank equals 1.
- Question 4: 6 minus blank equals 2.
- Question 5: 7 minus blank equals 1.
- Question 6: 6 minus blank equals 3.
