Across
- 1. 2 _____ 3 = 5
- 3. 3 _____ 1 = 2
- 4. the ____ of 15 are 1, 3, 5, and 15
- 6. the _____ of 3 are 3, 6, 9.....
- 8. what do you get when you divide numbers
- 9. 2, 4, 6, 8, ....
Down
- 1. what you get when you multiply numbers
- 2. what you get when you add numbers
- 5. 加法
- 7. 2, 3, 5, 7, 11....