Video: Dab tsi yog 3 feem ntawm ib feem?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
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!
Pom zoo:
Qhov feem ntawm 33 1 3 feem pua yog dab tsi?
Piv txwv tus nqi feem pua ntawm cov zauv feem 25% 0.25 1/4 331/3% 0.333 1/3 50% 0.5 1/2 75% 0.75 3/4
Dab tsi yog cov hlau nplaum uas ua los ntawm qhov kev npaj ntawm electrons yog dab tsi?
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Yuav ua li cas koj sau ib feem raws li ib tug khoom ntawm ib tug tag nrho cov zauv thiab ib feem feem?
Cov cai los nrhiav cov khoom ntawm ib feem feem thiab tag nrho tus lej Peb xub sau tag nrho cov lej ua ib feem, piv txwv li, sau nws faib los ntawm ib qho; Piv txwv li: 7 yog sau ua 71. Peb mam li muab cov zauv. Peb muab cov denominators. Yog tias yuav tsum tau ua kom yooj yim, nws ua tiav thiab tom qab ntawd peb sau cov feem kawg
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