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April 20, 2014

April 20, 2014

Posted by **billy** on Saturday, February 2, 2013 at 4:58pm.

A={1/2, -1/2, 1/3, -1/3,..., 1/10, -1/10}

- math - eh? -
**Steve**, Saturday, February 2, 2013 at 5:11pmwhat is n(a set)?

- math -
**Reiny**, Saturday, February 2, 2013 at 5:15pmlooks like the fractions from 1/2 , 1/3 . ... 1/10 come in pairs with their negatives,

I count 18 of them

- math -
**billy**, Saturday, February 2, 2013 at 5:18pmn(A) is the cardinal of the sets and how did you get the #18

- math -
**billy**, Saturday, February 2, 2013 at 5:21pmo ok i got it 1/2 1/3 1/4 1/5 1/6 1/7 1/8 1/9 1/10 thanks

- math -
**Reiny**, Saturday, February 2, 2013 at 6:03pmlooks like the fractions from 1/2 , 1/3 . ... 1/10 come in pairs with their negatives,

I count 18 of them

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