Across
- 4. 夏
- 6. happy and interesting
- 9. the word used for addition
- 10. the word used for division
- 11. the word used for multiplication
Down
- 1. to be able to take care of something
- 2. 友達
- 3. the word used for subtraction
- 5. 水
- 7. choices to choose from
- 8. fast and short