Yuav ua li cas koj nrhiav tau sib law liag ntau lawm?
Yuav ua li cas koj nrhiav tau sib law liag ntau lawm?

Video: Yuav ua li cas koj nrhiav tau sib law liag ntau lawm?

Video: Yuav ua li cas koj nrhiav tau sib law liag ntau lawm?
Video: kuv hlub koj - hnub lauj & nraug nas lis [HmongSub] 2024, Kaum ib hlis
Anonim

a(n), a(n+1), a(n+2) yog sib law liag ntawm a. Siv ib daim ntawv teev cov lej uas txhua tus muaj qhov zoo sib xws, faib tawm. Qhov tshwm sim yuav tsum yog sib law liag tus lej. 28, 35, 42 tuaj yeem muab faib los ntawm 7, cov txiaj ntsig yog 4, 5, thiab 6.

Ntawm no, dab tsi yog qhov sib law liag ntawm 4?

Sau npe ntau 4 : 4 , 8, 12, 16, 20, 24, 28, 32, 36.

Tsis tas li ntawd, dab tsi yog qhov sib law liag ntawm 5? Cov sib law liag cov lej, ntau 5 yog: 35;. 40; 45.

Cov lus nug tseem yog, dab tsi yog tus qauv rau cov lej sib law liag?

Cov formula rau integers sib law liag yog zoo nkauj ncaj. Yog x yog thawj sib law liag integer, ces x + 1 yuav yog qhov thib ob, x + 2 yuav yog peb, x + 3 yuav yog plaub, thiab lwm yam.

Dab tsi yog qhov sib law liag ntawm 6?

General nthuav qhia rau sib sib zog nqus ntawm 6 yog 6n,. 6 (n+1), 6 (n+2) thiab lwm yam. Nrhiav peb sib sib zog nqus ntawm 6 xws li 4 zaug thawj zaug tshaj ob zaug thib peb.: pab! General nthuav qhia rau sib sib zog nqus ntawm 6 yog 6n,. 6 (n+1), 6 (n+2) thiab lwm yam.

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