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40
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What is the largest number you can form from the numbers 2,5,8,9,10 and the operations \(\times,+,+,-\), and exactly one pair of parentheses? For example, you can form \(2 \times 5 + (9 - 8 +10) = 21\), \((2 \times 5 +9) - 10 + 8 = 17\), etc.

 Jan 27, 2019
 #1
avatar+3976 
+1

\(\text{I assume nothing can be repeated}\\ \text{Without spending too much time on it my initial guess would be}\\ 10 \times (9+8+5-2) = 200\)

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 Jan 27, 2019
 #2
avatar+46 
0

great job Rom!

I think that's it Guest!

jess.shen2024  Jan 28, 2019

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