Cov txheej txheem:
- Txhawm rau muab ob feem yooj yim, ua kom tiav cov kauj ruam hauv qab no
- Peb cov kauj ruam yooj yim yuav tsum tau muab faib ua ob feem:
Video: Yuav ua li cas koj daws cov feem ntawm cov kauj ruam?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Multiply sab saum toj ntawm sab laug feem los ntawm sab xis feem thiab sau cov lus teb rau saum toj, ces muab cov hauv qab ntawm txhua feem thiab sau cov lus teb ntawd rau hauv qab. Ua kom yooj yim qhov tshiab feem ntau li ntau tau. faib feem , flip ib feem upside-down thiab muab faib rau lawv ib yam nkaus.
Tsis tas li, kuv yuav ua li cas feem ntau?
Txhawm rau muab ob feem yooj yim, ua kom tiav cov kauj ruam hauv qab no
- Ua ntau tus lej.
- Ua ntau tus denominators.
- Txo lossis ua kom yooj yim rau koj cov lus teb, yog tias xav tau. Ua tus lej. Factor tus denominator. Ncua tseg-tawm cov feem sib xyaws uas muaj nqi ntawm 1. Rov sau koj cov lus teb ua ib feem yooj yim lossis txo qis.
Tom qab ntawd, lo lus nug yog, koj yuav daws qhov sib npaug li cas? Nov yog qee yam peb tuaj yeem ua:
- Ntxiv lossis rho tus nqi qub los ntawm ob sab.
- Tshem tawm cov feem ntau los ntawm Kev Sib Tw txhua txhua nqe lus los ntawm qhov hauv qab.
- Faib txhua lub sij hawm los ntawm tib tus nqi nonzero.
- Ua ke Zoo li Cov Cai.
- Factoring.
- Kev nthuav dav (qhov sib txawv ntawm kev tsim) kuj tuaj yeem pab tau.
Kuj Paub, koj ua li cas muab cov feem feem ntawm kauj ruam?
Peb cov kauj ruam yooj yim yuav tsum tau muab faib ua ob feem:
- Kauj Ruam 1: Muab cov zauv los ntawm txhua feem ntawm ib leeg (cov lej saum toj). Qhov tshwm sim yog tus lej ntawm cov lus teb.
- Kauj Ruam 2: Muab cov zauv ntawm txhua feem ntawm ib leeg (cov lej hauv qab).
- Kauj Ruam 3: Ua kom yooj yim lossis txo cov lus teb.
Yuav ua li cas koj ua feem feem ntawm lub laij lej?
Ua ntej nkag mus rau tus lej ntawm tus feem , ces nias lub division key thiab nkag mus rau tus denominator. Ntaus lub "equals" key thiab lub feem yuav tso saib ua tus lej. Koj tsis tuaj yeem hloov tus lej rau a feem rau ntawm tshuab xam zauv , but cov tshuab xam zauv pab tau koj ua nws nrog xaum thiab ntawv.
Pom zoo:
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