作者:
asd2260123 (å—éƒ¨å¤§è‘‰æ–‡çµ„å¤œæ ¡è‚¥å®…)
2018-04-22 22:16:48飛鳥斬
https://i.imgur.com/Ob8FqsZ.mp4
補字
Definition 1.4.2 Ring
The integer ring Zm consists of:
1. The set Zm = {0,1,2, . . . ,m}
2. Two operations “+” and “×” for all a,b ∈ Zm such that:
1. a+b ≡ c mod m , (c ∈ Zm)
2. a×b ≡ d mod m , (d ∈ Zm)