Answers

2014-07-13T18:27:52+08:00
If you will follow thw rule PFEMDAS the answer would be 20
solution:
16-4+8 (according to the rulr addition must come first
-4+8(carry the sign minus before the digit 4)
(positive) 4 is the answer
so 16 +4 is equals to 20
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2014-07-14T15:25:56+08:00
20 is the answer.........       
0:)
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