Qhov tseeb ntawm 21
- Cov ntsiab lus ntawm 21: 1, 3, 7 thiab 21.
- Yam tsis zoo ntawm 21: -1, -3, -7 thiab -21.
- Qhov tseem ceeb ntawm 21: 3, 7.
- Prime Factorization ntawm 21: 3 × 7 = 3 × 7.
- Zaum Ntawm Qhov Tseeb ntawm 21: 32.
Ib yam li ntawd, koj ua GCF li cas? Nov yog yuav ua li cas thiaj nrhiav tau GCF ntawm ib pawg ntawm cov lej siv prime factorization:
- Sau cov yam tseem ceeb ntawm txhua tus lej.
- Lub voj voog txhua qhov tseem ceeb tshaj plaws - uas yog, txhua qhov tseem ceeb uas yog qhov tseem ceeb ntawm txhua tus lej hauv cov teeb.
- Muab tag nrho cov lej uas ua voj voog. Qhov tshwm sim yog GCF.
Dab tsi yog qhov tseem ceeb ntawm 15? Factors ntawm 15 los ntawm Prime Factorization
Factors ntawm 15 yog 1, 3, 5, thiab 15.
GCF yog dab tsi rau 21? GCF ntawm 21 thiab 30 yog 3. Txhawm rau xam qhov loj tshaj plaws ntawm 21 thiab 30, peb yuav tsum tau muab txhua tus lej (yam ntawm 21 = 1, 3, 7, 21; yam ntawm 30 = 1, 2, 3, 5, 6, 10, 15, 30) thiab xaiv qhov tseem ceeb tshaj plaws uas faib faib 21 thiab 30, piv txwv li, 3.
Thib ob Koj ua li cas 21? Peb paub tias 1 qhov sib npaug nrog 21 kom ua 21, yog li lawv yog ob qho tib si. 2 tsis yog qhov tseem ceeb ntawm 21, vim peb tsis tuaj yeem muab nws nrog lwm tus lej los ua 21.3 yog qhov tseem ceeb ntawm 21, vim nws muab 7 los ua 21. 1, 3, 7 thiab 21.
GCF txhais li cas?
cov qhov tseem ceeb tshaj plaws (GCF) ntawm ib pawg ntawm cov lej yog qhov loj tshaj plaws uas txhua tus lej sib koom. Piv txwv li, 12, 20, thiab 24 muaj ob yam: 2 thiab 4.
ces Dab tsi yog qhov tseem ceeb tshaj plaws ntawm 15? Cov yam ntxwv ntawm 15 yog 1, 3, 5, thiab 15.
Txoj kev ceev tshaj plaws los nrhiav GCF yog dab tsi?
Tus lej twg hauv qab no tsis yog qhov tseem ceeb ntawm 21?
teb: 6 tsis yog qhov tseem ceeb ntawm 21.
Dab tsi yog qhov tseem ceeb ntawm 15 los ntawm qhov tsawg kawg rau qhov loj tshaj? Muaj plaub yam ntawm 15, piv txwv li, 1, 3, 5 thiab 15. Yog li, qhov tsawg tshaj plaws yog 1 thiab qhov loj tshaj ntawm 15 yog 15, nws tus kheej. Cov txiaj ntsig ntawm txhua yam ntawm 15 yog sib npaug rau 24.
Yam 15 thiab 20 yog dab tsi?
Qhov tseem ceeb ntawm 15 thiab 20 yog 1, 3, 5, 15 thiab 1, 2, 4, 5, 10, 20 ntsig txog.
Yuav ua li cas koj pom qhov zoo tshaj plaws ntawm 15 thiab 20? GCF ntawm 15 thiab 20 yog 5. Txhawm rau xam GCF (Greatest Common Factor) ntawm 15 thiab 20, peb yuav tsum muab txhua tus lej (yam ntawm 15 = 1, 3, 5, 15; yam ntawm 20 = 1, 2, 4, 5, 10, 20) thiab xaiv qhov tseem ceeb tshaj plaws uas faib faib 15 thiab 20, piv txwv li, 5.
Dab tsi GCF ntawm 12 thiab 15?
Teb: GCF ntawm 12 thiab 15 yog 3.
Dab tsi GCF ntawm 14 thiab 21?
Muaj 2 yam tseem ceeb ntawm 14 thiab 21, uas yog 1 thiab 7. Yog li, qhov tseem ceeb tshaj plaws ntawm 14 thiab 21 yog 7.
Dab tsi yog ob tus lej sib npaug rau thiab ntxiv 21? Daim ntawv teev cov Factor Pairs rau 21
- 1 x 21 = 21.
- 3 x 7 = 21.
- 7 x 3 = 21.
- 21 x 1 = 21.
Dab tsi tuaj yeem muab sib npaug kom tau 7? Tus naj npawb 7 muaj qhov sib npaug tsis kawg vim nws tuaj yeem muab sib npaug nrog txhua tus lej thiab peb muaj tus lej tsis kawg. Ib qho ntau tuaj yeem yog qhov ntau ntawm ob lossis ntau tus lej. Piv txwv li: 20 yog qhov sib txawv ntawm 2, 4, 5, 10, thiab 20.
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Thawj 20 Ntau Yam ntawm 7.
Txooj | Ntau tshaj 7 |
---|---|
7 × 20 | 140 |
Qhov ntau ntawm 21 yog dab tsi?
Kev daws: Thawj 10 qhov sib npaug ntawm 21 yog, 21, 42, 63, 84, 105, 126, 147, 168, 189 thiab 210.
GCF thiab LCM hauv lej yog dab tsi? Qhov tseem ceeb tshaj plaws (GCF) yog tus lej loj tshaj plaws uas yog qhov tseem ceeb ntawm ob lossis ntau tus lej, thiab qhov tsawg tshaj plaws ntau yam (LCM) yog tus lej tsawg tshaj plaws uas yog ntau yam ntawm ob lossis ntau tus lej. …
Dab tsi yog yam muaj 20?
Qhov tseeb ntawm 20
- Qhov tseeb ntawm 20: 1, 2, 4, 5, 10 thiab 20.
- Qhov tsis zoo ntawm 20: -1, -2, -4, -5, -10 thiab -20.
- Qhov tseem ceeb ntawm 20: 2, 5.
- Thawj qhov tseem ceeb ntawm 20: 2 × 2 × 5 = 2 2 . 5.
- Zaum Ntawm Qhov Tseeb ntawm 20: 42.
Tus lej loj tshaj yog dab tsi? Tus lej loj tshaj raug xa mus tsis tu ncua yog a googlplex (10googol), uas ua haujlwm li 1010^100.
GCF ntawm 21 yog dab tsi?
GCF ntawm 21 thiab 30 yog 3. Txhawm rau xam qhov loj tshaj plaws ntawm 21 thiab 30, peb yuav tsum tau muab txhua tus lej (yam ntawm 21 = 1, 3, 7, 21; yam ntawm 30 = 1, 2, 3, 5, 6, 10, 15, 30) thiab xaiv qhov tseem ceeb tshaj plaws uas faib faib 21 thiab 30, piv txwv li, 3.
GCF ntawm 20 thiab 15 yog dab tsi? GCF ntawm 15 thiab 20 yog 5. Txhawm rau xam GCF (Greatest Common Factor) ntawm 15 thiab 20, peb yuav tsum muab txhua tus lej (yam ntawm 15 = 1, 3, 5, 15; yam ntawm 20 = 1, 2, 4, 5, 10, 20) thiab xaiv qhov tseem ceeb tshaj plaws uas faib faib 15 thiab 20, piv txwv li, 5.
Dab tsi yog qhov zoo ntawm 20?
Yog li ntawd, qhov tseem ceeb ntawm 20 yog 1, 2, 4, 5, 10, thiab 20. Cov Lus Cim Tseem Ceeb: Cov ntsiab lus ntawm tus lej yog tag nrho cov lej tau nws tau faib los ntawm. Tej zaum lawv yuav yog cov lej tseem ceeb lossis cov lej sib xyaw.