Unformatted text preview: (b) Make multiplication tables for Z * 8 , Z * 10 , and Z * 12 . (c) Show that Z * 8 ’ Z * 12 but Z * 8 6’ Z * 10 and Z * 10 6’ Z * 12 . 4. How challenging did you ﬁnd this assignment? How long did it take?...
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 Spring '08
 OGUS
 Math, Multiplication, Ring, Natural number, z∗, Fraleigh section

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