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exp6.. Signed No. Connect-the-Dots
    Use mental computation to complete this signed number connect-the-dots puzzle.
    Just simplify an expression then connect the dot for an answer to the dot for the previous answer.
1. -3 + -5
2. -7 + -4
3. (-3)(-2)
4. (6)(-1)
5. -5 + 5
6. -20 + 24
7. -10 + -2
8. -5 -5
9. -15 5
10. 5 -15
11. -3 + -2
12. -3 + -10    
13. -4 - -7
14. -8 + 7
15. (-4)(-5)(-1)
16. (-1)(-1)(-2)(-9)
17. (-3)(5)
18. -3 -6
19. -6 -3
20. 3 -6
21. 3 - -6
22. -15 - 15
23. 3 + 4
24. 6 - -10
25. 6 + -10
26. (-4)(2)(-1)(-1)