257=?(mod96)
回答 (3)
2007-03-18 4:09 am
✔ 最佳答案
(第一位朋友好像錯了)mod 是modulus 的簡寫。
x (mod n) 即係當 x 除以 n 時的餘數。
257/96 = 2 ......65
所以，257=65(mod96)。
2007-03-17 20:13:32 補充：
唔好意思，應該係 modulo，唔係 modulus 。
2007-03-18 4:07 am
Note that 96 x 3 = 288 and 288 - 257 = 31
So 257 = -31 mod 96
(or, if you want positive remainder, you could write 257 = 65 mod 96)
So 257 = -31 mod 96
(or, if you want positive remainder, you could write 257 = 65 mod 96)
2007-03-18 3:56 am
=2x96^2 + 5x96 + 7
= 18919
= 18919
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