simplify an arithmetic expression

      Consider this page a fake quiz.
      The answers are just below the problems.
      But, if you do not achieve a prefect paper, review the
Intro, Warm Up Questions or
Table of Contents for Order of Operations or syntax.
Simplify
1.     8(-4)(-1)(-2)
 
2.     8(-4) -1 -2
 
3.     8(-4 -1(-2))
 
4.     -6 [ -3 - 2(5 - 3)]
 
5.     (18 ÷ 2) · {[9 · 9 - 1 ÷ 2] - [5 · 20 - ( 7 · 9 - 2)]}
 


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www.mathnstuff.com/math/algebra/qb/aexpr.htm