rhamilton1 rhamilton1

16-09-2015
Mathematics

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What is 9+10(2)-1+a
a=3

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16-09-2015

9 + 10 ×(2) - 1 + (3)

First, simplify 10 × 2 to 20. / Your problem should look like: 9 + 20 - 1 + 3
Second, simplify. / Your problem should look like: 31

Answer: 31

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