Across
- 3. (x*5)-3 when x is 8
- 6. (x+3)*3 when x is 2.
- 9. 2*7+3^2
- 10. 20*(-2)
- 13. 10^3
- 14. (x+3)*8 when x is 7
- 15. 5*10
Down
- 1. -5*9
- 2. 8*9
- 4. 2*5+1
- 5. 22 1/4*x+10 when x is 4.
- 7. 164876^2*0
- 8. 3*2+1
- 11. (5+x)+1 when x is -8.
- 12. (x*14)+2 when x is 2.
