Across
- 6. plus sign
- 8. 2x(3+5)=16
- 14. 6÷2=3
- 15. 2*3=6
- 17. minus sign
- 18. 5>4
- 19. times sign
Down
- 1. not equal sign
- 2. 3±5=8 and -2
- 3. modulo
- 4. 2³=8
- 5. 2^3=8
- 6. approximately equal
- 7. 6/2=3
- 9. equals sign
- 10. .
- 11. [(1+2)x(1+5)=18
- 12. 3∓5=-2 and 8
- 13. 4<5
- 16. horizontal line