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OpenStudy (anonymous):
Is the set {-1,0,1] closed under division?
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OpenStudy (unklerhaukus):
can you divide by zero?
OpenStudy (unklerhaukus):
-1 /-1 = 1 -1 / 0 = ????? -1 / 1 = -1 0 /-1 = 0 0 / 0 = ????? 0 / 1 = 0 1 /-1 = -1 1 / 0 = ????? 1 / 1 = 1
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