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how can you use the following numbers in an equation 5 7 9 10 12 (using each number only once) to get the answer 3?
 one year ago
 one year ago
how can you use the following numbers in an equation 5 7 9 10 12 (using each number only once) to get the answer 3?
 one year ago
 one year ago

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ilikephysics2Best ResponseYou've already chosen the best response.1
just subtract 2 everytime and the next term you will get is 3
 one year ago

crazyhairBest ResponseYou've already chosen the best response.0
Any equation you can make up. Using those numbers.
 one year ago

crazyhairBest ResponseYou've already chosen the best response.0
You can't use 2. You can only use these numbers.
 one year ago

ilikephysics2Best ResponseYou've already chosen the best response.1
yeah to get 3 you have to subtract by 2
 one year ago
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