ǰһ
̨ǰһһʲô˼
ǰһ˼ǣһԺһ̨ȥһŲ̫ôΪһ˵һڱ̨ϻʣ¼...
һ˵ǰһ
ԡǰһָһԵһǿ˵ǰһģһ㲻ǰһݵһһ˵ǰǰʮȡ
˲ǰһָһ
ʦ ˲ǰһָȷ˲м۵ǰһաӦָȷзЧ˲м֮ա Ͷί...
ǰһݹѧʲô?
ǰ˾ҵ˾ѧʵõһ£˵һ仰ǣȽٽ顣˲ͻǷdz飬Էﲻ...
HPVǰһͬ
DzȥģΪǰһͬ2Ӱû侫Ħ̼ᵼ¹٣Ӱ...
ǰһλʵ˭
ǵһλʵǹ¾ޡڣʵۣ峯ʮһλʵۡǻɴȰ̫Ȱ...
ǰһܴ
ǰһָڽǰһϣһ˶ָͨȡڴܵ¼ƣ͡ʼӿӦӰ...
...һ20λ,ÿһŶǰһŶ1λ...
(1)ҳλ֮Ĺϵ:һ20,21,22,23,ɵùm=2n+18;ͬҵ(2)Ĺ,m=3n+17,m=4n+16.
Ϣʱǰһʲôʱ?
һ ٱ Ӧǵڶιҵĵʱ?ڵڶ,ιҵͬʱ. һ,ڶιҵͬʱһ.Ҳ ˵ Ŀǰδȫ Ϣʱ...
ȸŴ(ָŮǰһ˵ĻϢŴ...
һŴѧ˵ ǡʵң˵ ڴʱ Ѿ αѧ ûд ...