Kauj Ruam 1: Sau ob peb qhov sib npaug ntawm 5 (5, 10, 15, 20, 25, 30, ... ) thiab 8 (8, 16, 24, 32, 40, 48, 56, ... ) Kauj Ruam 2 : Qhov sib npaug ntawm qhov sib npaug ntawm 5 thiab 8 yog 40, 80, . . . Kauj Ruam 3: Qhov tsawg tshaj plaws ntau yam ntawm 5 thiab 8 yog 40.
Ntawm no, thawj qhov sib npaug ntawm 5 thiab 8 yog dab tsi? Thawj 20 Ntau Yam ntawm 5
khoom | Kab Ntau |
---|---|
5 × 7 | 35 |
5 × 8 | 40 |
5 × 9 | 45 |
5 × 10 | 50 |
Thawj 3 qhov sib npaug ntawm 5 thiab 8 yog dab tsi? Yuav sau ntau tus lej li cas?
Ntau tshaj 1 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, u2026 |
---|---|
Ntau tshaj 5 | 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, u2026 |
Ntau tshaj 6 | 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, u2026 |
Ntau tshaj 7 | 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, u2026 |
Ntau tshaj 8 | 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, u2026 |
Tsis tas li ntawd, ntau npaum li cas ntawm 8? Ua ntej, cia peb sau thawj ob peb qhov sib npaug ntawm yim: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88 . . .
LCM ntawm 8 yog dab tsi? Teb: LCM ntawm 5 thiab 8 yog 40.
Dab tsi yog GCF ntawm 8 thiab 5?
Teb: GCF ntawm 5 thiab 8 yog 1.
Koj daws li cas rau LCM? Nrhiav LCM siv cov txheej txheem tseem ceeb
- Nrhiav qhov tseem ceeb factorization ntawm txhua tus lej.
- Sau txhua tus lej raws li cov khoom ntawm primes, txuam primes vertically thaum ua tau.
- Nqa cov primes hauv txhua kab.
- Muab ntau yam kom tau txais LCM.
Koj xam LCM li cas? Yuav Ua Li Cas Nrhiav LCM los ntawm Kev Sau Npe Ntau
- Sau qhov ntau ntawm txhua tus lej kom txog thaum tsawg kawg yog ib qho ntawm qhov sib npaug tshwm rau txhua daim ntawv.
- Nrhiav tus lej tsawg tshaj plaws uas nyob hauv txhua daim ntawv teev npe.
- Tus lej no yog LCM.
Qhov tsawg tshaj plaws sib txawv ntawm 5 8 thiab 40 yog dab tsi?
Qhov tsawg tshaj plaws ntau yam ntawm 5, 8 thiab 40 yog 40.
Thiab dab tsi yog qhov tseem ceeb ntawm 5? 5 yog tus lej tseem ceeb. Yog li ntawd, nws muaj peev xwm tsuas muaj ob yam, piv txwv li, 1 thiab tus lej nws tus kheej. Cov yam ntxwv ntawm 5 yog 1 thiab 5.
Dab tsi yog qhov tseem ceeb ntawm thiab 5?
Cov Rooj Zaum thiab Zauv
yam | Kab Ntau | |
---|---|---|
1, 5 | 5 | 45 |
1, 2, 3, 6 | 6 | 54 |
1, 7 | 7 | 63 |
1, 2, 4, 8 | 8 | 72 |
Koj pom LCD li cas?
Koj pom GCD li cas?
Cov kauj ruam los xam GCD ntawm (a, b) siv txoj kev LCM yog:
- Kauj ruam 1: Nrhiav cov khoom ntawm a thiab b.
- Kauj ruam 2: Nrhiav qhov tsawg tshaj plaws ntau yam (LCM) ntawm a thiab b.
- Kauj Ruam 3: Faib cov txiaj ntsig tau txais hauv Kauj Ruam 1 thiab Kauj Ruam 2.
- Kauj Ruam 4: Tus nqi tau txais tom qab faib yog qhov loj tshaj qhov sib faib ntawm (a, b).
Yuav ua li cas kom tshem tau HCF?
HCF ntawm ob lossis ntau tus lej yog qhov ntau tshaj plaws ntawm tus lej muab. Nws yog pom los ntawm multiplying cov yam tseem ceeb ntawm cov zauv muab. Qhov tsawg tshaj plaws Feem Ntau (LCM) ntawm ob lossis ntau tus lej yog tus lej tsawg tshaj plaws ntawm txhua qhov sib npaug ntawm cov lej muab.
LCM txhais li cas hauv lej? Kev txhais ntawm yam tsawg kawg ntau yam
1: qhov tsawg tshaj plaws ntau yam ntawm ob lossis ntau tus lej.
Koj nrhiav HCF thiab LCM li cas? Cov mis uas qhia txog kev sib raug zoo ntawm lawv LCM thiab HCF yog: LCM(a,b) × HCF(a,b) = a × b. Piv txwv li, cia peb coj ob tus lej 12 thiab 8. Cia peb siv cov qauv: LCM (12,8) × HCF (12,8) = 12 × 8. LCM ntawm 12 thiab 8 yog 24; thiab HCF ntawm 12 thiab 8 yog 4.
Yuav ua li cas koj nrhiav tau ntau yam?
Peb tuaj yeem pom qhov sib txawv ntawm qhov sib txawv ob lossis ntau tus lej los ntawm kev sau cov lej ntau ntawm txhua tus lej thiab tom qab ntawd nrhiav lawv cov lej sib npaug. Piv txwv li, txhawm rau nrhiav qhov sib npaug ntawm 3 thiab 4, peb sau lawv qhov ntau thiab tom qab ntawd nrhiav lawv cov ntau ntau. 3:3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, …
Dab tsi yog qhov sib txawv tsawg tshaj plaws ntawm 5 8 thiab 20? Qhov tsawg tshaj plaws ntau yam ntawm 5, 8 thiab 20 yog 40.
Dab tsi yog qhov tsawg tshaj plaws ntawm 8 thiab 2?
LCM ntawm 2 thiab 8 yog dab tsi? Teb: LCM ntawm 2 thiab 8 yog 8.
Dab tsi yog qhov sib txawv tsawg tshaj plaws ntawm 8 thiab 6? Teb: LCM ntawm 6 thiab 8 yog 24.
Dab tsi yog cov yam ntxwv ntawm 8?
Factors ntawm 8 yog 1, 2, 4, thiab 8. 1 yog universal yam vim hais tias nws yog ib qho tseem ceeb ntawm txhua tus lej. Cov ntsiab lus feem ntau yog muab ua khub ntawm cov lej uas thaum sib npaug ua ke muab tus lej qub.
Cov yam ntxwv ntawm 7 yog dab tsi? Cov ntsiab lus ntawm 7 yog 1 thiab 7.
Tus naj npawb 7 tsuas muaj ob yam, thiab yog li nws yog tus lej tseem ceeb.
Yuav ua li cas koj thiaj nrhiav tau cov yam ntxwv ntawm tus lej hauv chav kawm 5?
GCF ntawm 5 yog dab tsi? ⇒ Txij li thaum 5 yog qhov tseem ceeb tshaj plaws ntawm 5 thiab 10. Li no, GCF(5, 10) = 5.
Koj ua li cas los xam cov yam tseem ceeb?
Yuav Ua Li Cas Nrhiav Qhov Tseem Ceeb ntawm Tus lej?
- Nrhiav txhua tus lej tsawg dua lossis sib npaug ntawm tus lej muab.
- Faib tus lej muab los ntawm txhua tus lej.
- Cov divisors uas muab cov seem rau yog 0 yog cov yam ntxwv ntawm tus lej.
Kuv yuav daws cov feem ntau li cas?
Yuav muab cov feem ntau sib npaug li cas? Muaj 3 cov kauj ruam yooj yim los muab cov feem ntau
- Muab cov lej saum toj kawg nkaus (tus lej).
- Muab cov lej hauv qab (tus denominators).
- Simplify cov feem yog tias xav tau.
Kuv yuav rho cov feem ntau li cas?
Muaj 3 kauj ruam yooj yim los rho cov feem
- Xyuas kom tseeb tias cov lej hauv qab (tus denominators) yog tib yam.
- Tshem cov lej saum toj kawg nkaus (tus lej). Muab lo lus teb rau tib lub denominator.
- Simplify tus feem (yog xav tau).