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If 59-=3 (mod 7) ,46 -=4 (mod 7) then 10...

If `59-=3` (mod 7) ,`46 -=4` (mod 7) then `105 -=` …. (mod 7 ), `13-=….` (mod 7) , `413-= ……` (mod 7) , `368 -= …..` (mod 7).

A

0

B

4

C

3

D

12

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A
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