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Mathematics, 15.01.2020 21:31, sheram2010
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. you cannot use the parentheses for implicit multiplication, as in $10(2) = 20.$
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What is the largest number you can form from the numbers $2,5,8,9,10$ and the operations $\times,+,+...
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