Nrhiav qhov tseem ceeb tshaj plaws (GCF) ntawm cov lej yog yooj yim, tab sis koj yuav tsum paub yuav ua li cas. Txhawm rau nrhiav qhov loj tshaj plaws ntawm ob tus lej, koj yuav tsum paub yuav ua li cas faib ob tus lej. Txhawm rau ua qhov no, koj yuav tsum paub koj lub sijhawm.
Kauj ruam
Txoj Kev 1 ntawm 2: Sib Piv Tib Yam
Kauj Ruam 1. Nrhiav cov zauv ntawm cov lej
Koj tsis tas yuav tsum paub qhov tseem ceeb tshaj plaws los nrhiav qhov zoo tshaj plaws. Pib los ntawm kev nrhiav txhua yam ntawm cov lej koj tab tom sib piv.
Kauj Ruam 2. Sib piv cov teeb meem kom txog thaum koj pom tus lej loj tshaj plaws hauv ob qho xwm txheej
Txoj Kev 2 ntawm 2: Siv Tus lej Thawj
Kauj Ruam 1. Txheeb tawm txhua tus lej los ntawm nws tus lej tseem ceeb
Tus lej tseem ceeb yog tus lej ntau dua 1 uas tsis muaj yam tshwj xeeb tshwj tsis yog nws tus kheej. Piv txwv ntawm tus lej tseem ceeb yog 5, 17, 97, thiab 331, los muab qee qhov piv txwv.
Kauj Ruam 2. Txheeb xyuas txhua yam tseem ceeb uas ib txwm muaj
Xaiv ib tus lej tseem ceeb uas zoo ib yam hauv ob qho tib si. Tej zaum yuav muaj ob peb yam sib xws.
Kauj Ruam 3. Xam:
Yog tias tsuas yog ib qho tseem ceeb tshaj plaws zoo ib yam, tus lej ntawd yog koj li xwm txheej ib txwm muaj. Yog tias muaj ntau yam tseem ceeb tib yam, tom qab ntawd suav txhua qhov tseem ceeb ua ke kom tau txais koj qhov txiaj ntsig zoo tshaj plaws.
Kauj Ruam 4. Kawm qhov piv txwv no
Txhawm rau siv txoj hauv kev no, kawm qhov piv txwv no.
Lub tswv yim
- Tus lej tseem ceeb yog tus lej uas tuaj yeem faib ua ib tus thiab nws tus kheej.
- Koj puas paub tias tus lej lej Euclid nyob rau xyoo pua BC BC tau tsim lub tswv yim los nrhiav qhov zoo tshaj plaws hauv qhov xwm txheej ntawm ob tus lej lossis ob tus lej sib npaug?
