Interesting Facts
Interesting Facts
Out of context: Reply #61
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- blaw0
regarding #3...
a little trick to multiplying by 11 is to drop the first and last numbers then add the middle digits... hmm... i'm not explaining this well.
11 x 13 = 143
11 x 145 = 1595
11 x 1234 = 13574...see what's going on there?