Yuav ua li cas koj ntxiv feem ntau nrog cov lej tsis zoo?
Yuav ua li cas koj ntxiv feem ntau nrog cov lej tsis zoo?

Video: Yuav ua li cas koj ntxiv feem ntau nrog cov lej tsis zoo?

Video: Yuav ua li cas koj ntxiv feem ntau nrog cov lej tsis zoo?
Video: Ntsais lauj (yuav tau tsi hlub) nkauj tshiab 2019 2024, Kaum ib hlis
Anonim

Tam sim no hais tias ib tug ntau denominator tau pom, thiab cov zauv tsis zoo qhia nyob rau hauv cov nqe lus ntawm no tshiab denominator, lub cov zauv tsis zoo tuaj yeem muab ntxiv lossis rho tawm. Thaum twg ntxiv cov zauv tsis zoo , ntxiv raws li qhov qub. Ces lo rau tsis zoo kos npe rau koj cov lus teb.

Tsis tas li cov lus nug yog, cov kev cai rau kev ntxiv thiab rho cov feem yog dab tsi?

Ntxiv los yog rho tawm cov zauv lawv yuav tsum muaj tib lub denominator (tus nqi hauv qab). Yog cov denominators twb zoo ib yam lawm ces tsuas yog ib qho teeb meem xwb ntxiv los yog rho tawm cov lej (tus nqi saum toj kawg nkaus). Yog tias cov denominators sib txawv ces yuav tsum muaj cov lej sib faib ua ke.

puas yog ob qhov tsis zoo hauv ib feem ua rau nws zoo? A tsis zoo thiab a tsis zoo ua a zoo , thaum ob qhov ua tau zoo a zoo . Cov no yog cov cai yooj yim rau kev sib npaug hauv tsis zoo thiab zoo.

Khaws qhov no saib, dab tsi yog 1.5 ua ib feem?

1.5 hauv feem daim ntawv yog 3/2.

Koj puas tuaj yeem muaj feem tsis zoo?

Yog lawm. Yog tog twg los tus lej lossis tus lej sib txawv tab sis tsis yog ob qho ntawm lawv tsis zoo ces cov feem YOG tsis zoo ntawm qhov tod tes yog ob leeg yog tsis zoo ces cov feem yog POSITIVE! Yog lawv feem yog tsis zoo … koj feem ntau xav xav txog NUMERATOR li tsis zoo tsis yog tus denominator.

Pom zoo: