1. Select Voice.   Sound Test (123456789)

2. Adjust Speed.   SlowFast :

3. Adjust Pitch.   LowHigh :

4. Specify Range of Numbers:  〜    Fraction

5. Specify Rows of Numbers:    Subtraction

6. Generate Exercise: Generate Exercise

7. Go!   ▶   ❚ ❚   ■ 

8. Check the Answer. Check the Answer