its about integers. My teacher taught it too me.
i will give you an example
-5 - -7 = ?
-5 + 7 =?
+7
-5
___
+2
-5 - - 7 = 2
Have you ever used this? i learned this a while back. If ya contact me i will give ya an expalnation if ya don't understand. I was just wondering if a person used the same Integer Method as me.
2006-09-01
08:59:43
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5 answers
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Anonymous
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i don't feel like expalining
2006-09-01
09:02:41 ·
update #1