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class=markdown_views prism-github-gist> A*B % C = (A%C * B%C)%C (A+B)%C = (A%C + B%C)%C 如:532 mod 7 =(500%7+30%7+2%7)%7若A-B mod n,则称A,B模n同余 若A,B模n同余,则A+C,B+C模n同余,AC,BC模n同余 若要计算只...