Page 14 - Numbertheory
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@ @ßìÿa@Þ—ÑÜa
Divisibility .
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.
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b
b [Divisibility]
18 = 3× 6 3 18 a
ba
a b a c
. −5 22 3 14
. a = bc . − 5 20
. 20 = (−5) × 4
.b a
