3digit-mix-as
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Remember: Fill empty boxes with 0!
Your answer will be displayed here
HOW TO USE
- In this exercise, you’ll practice both addition and subtraction!
- ▶ Look carefully at the question — it includes both adding and subtracting.
- ▶ First, add the first two numbers.
- ▶ Then, subtract the next number from your answer.
- ▶ Use the number pad to type your answer.
- ▶ If you make a mistake, use the backspace button.
- ▶ Click the check button to see if you're right.
- ▶ If you want to try again, click the New Question button.
- Have fun adding and subtracting!