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Ch. 4 Ext Modular Systems
What time will it be 32 hours from now?
What day of the week will it be 64 days
from now?
1
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456 ≡
( mod 2 )
456 ≡
( mod 7 )
4567 ≡
( mod 5)
4567 ≡
( mod 9 )
45678 ≡
( mod11)
45678 ≡
( mod10 )
−17 ≡
( mod 3)
−123 ≡
( mod 7 )
2
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−17 ≡
−123 ≡
( mod 3)
( mod 7 )
3
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4
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To Kill a Mockingbird
044631078
5
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The Catcher in the Rye
978 − 031676948
6