A.13是滿足ax+by=gcd(a,b),x絕對(duì)值最小的整數(shù)B.21是滿足ax+by=gcd(a,b),y絕對(duì)值最小的整數(shù)C.x的絕對(duì)值還可以減小,會(huì)引發(fā)y的絕對(duì)值發(fā)生變化D.y的絕對(duì)值還可以減小,會(huì)引發(fā)x的絕對(duì)值發(fā)生變化
A.x =x0-(b)*k,y =y0+a*kB.x =x0-(a/gcd(a,b))*k,y =y0+(b/gcd(a,b))*kC.x =x0-a*k,y =y0+b*kD.x =x0-(b/gcd(a,b))*k,y =y0+(a/gcd(a,b))*k
A.若a、b均為偶數(shù),則gcd(a,b )=2gcd(a/2,b/2)B.若a為偶數(shù),b為奇數(shù),則gcd(a,b )=gcd(a/2,b )C.gcd(a,b)=gcd(a-b,b)D.gcd(a,b)=gcd(a-b,a)