OEF ×î´ó¹«ÒòÊý --- ½éÉÜ ---

±¾Ä£¿éÄ¿Ç°°üº¬ 18 ¸ö¹ØÓÚÕûÊýµÄ¼«´ó¹«ÒòÊýºÍ¼«Ð¡¹«±¶ÊýµÄÁ·Ï°.

gcd Óë´æÔÚÐÔ

ÊÇ·ñ´æÔÚÁ½¸öÕûÊý m, n Âú×ã:

gcd(m,n)=, mn= ?


Çó gcd

¼ÆËã gcd(,).

Çó gcd-3

¼ÆËã gcd(,,).

Çó gcd II

¼ÆËã gcd(,).

gcd Óë lcm

ÇóÕýÕûÊý n ʹµÃ:

gcd(n,)=, lcm(n,)=.

gcd Óë lcm II

ÇóÁ½¸ö²»Í¬ÓÚ Óë µÄÕýÕûÊý m ºÍ n, ʹµÃ:

gcd(m,n)=, lcm(m,n)=.

Á½¸öÕûÊýµÄ´ÎÐò¿ÉÒÔÈÎÒâ.


gcd Óë lcm III

ÇóÁ½¸ö²»Í¬ÓÚ Óë µÄÕýÕûÊý m ºÍ n, ʹµÃ:

gcd(m,n)=, lcm(m,n)=.

Á½¸öÕûÊýµÄ´ÎÐò¿ÉÒÔÈÎÒâ.


gcd, lcm Óë³Ë»ý

Éè m, n ÊÇÁ½¸öÕýÕûÊý, Âú×ã

=, =.

µÈÓÚʲô ?


gcd, lcm ÓëºÍ

ÇóÁ½¸öÕýÕûÊý m ºÍ n, ʹµÃ:

gcd(m,n) = , lcm(m,n) = , m + n = .

ÕâÁ½¸öÊýµÄ´ÎÐò²»ÏÞ.


gcd Ó뱶Êý

Éè , ÊÇÁ½¸ö·ÇÁãÕûÊý. ʹ

pgcd(, ) pgcd(,)

µÄÌõ¼þÊÇʲô ?


gcd Óë³Ë»ý

ÇóÁ½¸öÕýÕûÊý m Óë n, ʹµÃ:

gcd(m,n) = , mn = .

ÕýÕûÊýµÄ´ÎÐò²»ÏÞ.


gcd ÓëºÍ

ÇóÁ½¸öÕýÕûÊý m Óë n, ʹµÃ:

gcd(m,n) = , m + n = .

ÕûÊýµÄ´ÎÐò²»ÊÜÏÞÖÆ.


gcd, ºÍÓë»ý

ÇóÁ½¸öÕýÕûÊý m Óë n, ʹµÃ:

gcd(m,n) = , m + n = , mn= .

ÕýÕûÊýµÄ´ÎÐò²»ÏÞ.


Çó lcm

¼ÆËã lcm(,).

Çó lcm-3

¼ÆËã lcm(,,).

lcm Óë»ý

ÇóÁ½¸öÕýÕûÊý m ºÍ n, ʹµÃ:

lcm(m,n) = , mn = .

ÕâÁ½¸öÊýµÄ´ÎÐòûÓÐÏÞÖÆ.


lcm ÓëºÍ

ÇóÁ½¸öÕýÕûÊý m ºÍ n, ʹµÃ:

lcm(m,n) = , m + n = .

ÕâÁ½¸öÊýµÄ´ÎÐòûÓÐÏÞÖÆ.


lcm, ºÍÓë»ý

ÇóÁ½¸öÕýÕûÊý m ºÍ n, ʹµÃ:

lcm(m,n) = , m + n = , mn= .

ÕâÁ½¸öÊýµÄ´ÎÐòûÓÐÏÞÖÆ. The most recent version


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