Dab tsi yog 3 feem ntawm ib feem?
Dab tsi yog 3 feem ntawm ib feem?

Video: Dab tsi yog 3 feem ntawm ib feem?

Video: Dab tsi yog 3 feem ntawm ib feem?
Video: ib feem kaum (10%) tsis tso puas txhaum 2024, Kaum ib hlis
Anonim

Tus naj npawb ntawm a feem hu ua nws tus lej thiab qhov hauv qab yog nws tus lej.

Tsis tas li ntawd, muaj pes tsawg feem ntawm ib feem muaj?

Thaum sau a feem muaj ob lub ntsiab ntu : tus zauv thiab tus denominator. Tus lej yog pes tsawg ntu koj muaj. Tus denominator yog pes tsawg ntu tag nrho tau muab faib ua. Ib feem sau nrog tus lej tshaj tus lej thiab ib kab nyob nruab nrab ntawm lawv.

Ib tug kuj yuav nug, dab tsi yog feem? A feem (los ntawm Latin fractus, "tawg") sawv cev rau ib feem ntawm tag nrho lossis, feem ntau, muaj pes tsawg qhov sib npaug. Thaum hais lus Askiv txhua hnub, a feem piav qhia txog pes tsawg feem ntawm ib qho me me muaj, piv txwv li, ib nrab, yim-tsib tsib, peb-quarters.

Tom qab ntawd, ib tug kuj nug, dab tsi yog 1/3 ntawm tag nrho?

3. Yog tias ib daim ntawv muab faib ua peb qhov sib npaug, ces txhua feem hu ua ib feem peb ntawm cov tag nrho daim ntawv. Yog li, ib qho ntawm peb qhov sib npaug ntawm a tag nrho yog hu ua ib feem peb ntawm nws thiab qhia raws li 1/3 , uas yog sau ua ib feem peb lossis ib qho ntawm peb.

Dab tsi yog feem thiab piv txwv?

A feem tsuas yog qhia peb tias muaj pes tsawg feem ntawm tag nrho peb muaj. Koj tuaj yeem lees paub a feem los ntawm tus lej uas tau sau ntawm ob tus lej. Peb muaj tus lej saum toj kawg nkaus, tus lej, thiab tus lej hauv qab, tus lej. Rau piv txwv , 1/2 yog a feem . Yog li 1/2 ntawm lub ncuav yog ib nrab ntawm lub ncuav!

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