Tus lej tsawg tshaj plaws ntawm ob lossis ntau tus lej yog tus lej tsawg tshaj plaws ntawm txhua qhov sib npaug ntawm tus lej muab… LCM ntawm ob lossis ntau tus lej tseem ceeb tsis tuaj yeem yog 1. HCF ntawm ob lossis ntau tus lej tseem ceeb yog 1 ib txwm. LCM ntawm ob lossis ntau tus lej yeej ib txwm ntau dua lossis sib npaug rau txhua tus lej.
Yuav ua li cas koj pom qhov tsawg tshaj plaws ntawm 1?
Xaiv LCM ntawm 1 thiab 2 los ntawm txoj kev faib, peb yuav faib cov lej (1, 2) los ntawm lawv cov ntsiab lus tseem ceeb, tsuav yog tsawg kawg ib qho ntawm cov lej yog sib npaug los ntawm tus lej tseem ceeb. Cov khoom ntawm cov divisors no muab LCM ntawm 1 thiab 2.
Tus nqi qis tshaj ntawm 2 yog dab tsi?
2:2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22,
24… Ntau yam ntawm 3: 3, 6, 9, 12, 15, 18, 21, 24, 27… Feem ntau ntawm 2 thiab 3 suav nrog 6, 12, 18, thiab 24.
LCM ntawm 24 thiab 32 yog dab tsi?
LCM ntawm 24 thiab 32 yog 96 Txhawm rau nrhiav LCM (tsawg ntau ntau) ntawm 24 thiab 32, peb yuav tsum nrhiav qhov ntau ntawm 24 thiab 32 (ntau ntau ntawm 24=24, 48, 72, 96; ntau ntau ntawm 32=32, 64, 96, 128) thiab xaiv qhov tsawg tshaj plaws ntau yam uas yog faib los ntawm 24 thiab 32, i.e., 96.
LCM ntawm 24 thiab 36 yog dab tsi?
Teb: LCM ntawm 24 thiab 36 yog 72.
