用英语完成下列算式。

1. six +one =______  

2. ______ -two = two

3. ______-five= five  

4. _______+two = ten

5. five-three=______  

6. nine-six=______

7. five+four=______  

8. ______+eight=nine

9. ______+three=nine  

10. five+five=______