Cov txheej txheem:

Yuav ua li cas koj daws ob kauj ruam sib npaug hauv pre algebra?
Yuav ua li cas koj daws ob kauj ruam sib npaug hauv pre algebra?

Video: Yuav ua li cas koj daws ob kauj ruam sib npaug hauv pre algebra?

Video: Yuav ua li cas koj daws ob kauj ruam sib npaug hauv pre algebra?
Video: Mathematics with Python! Evaluating Polynomials 2024, Kaum ib hlis
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Ib yam li ntawd, 4 kauj ruam los daws qhov sib npaug yog dab tsi?

A 4-Step Guide to Solving Equations (Part 2)

  1. Kauj Ruam 1: Simplify txhua sab ntawm qhov sib npaug. Raws li peb tau kawm dhau los, thawj kauj ruam ntawm kev daws qhov sib npaug yog ua kom qhov sib npaug yooj yim li sai tau.
  2. Kauj Ruam 2: Hloov pauv hloov mus rau ib sab.

Tsis tas li ntawd, kev sib npaug ib kauj ruam yog dab tsi? A ib - kauj ruam sib npaug yog algebraic kev sib npaug koj yuav daws tau nyob rau hauv xwb ib kauj ruam . Koj twb solved qhov kev sib npaug thaum koj tau txais qhov sib txawv ntawm nws tus kheej, tsis muaj tus lej nyob rau hauv pem hauv ntej ntawm nws, rau ib sab ntawm daim ntawv sib npaug.

Tsis tas li ntawd, txoj cai golden ntawm kev daws qhov sib npaug yog dab tsi?

Recap: Cov Txoj Cai Golden Qhov uas koj ua rau ib sab ntawm ib kev sib npaug , koj yuav tsum ua rau lwm tus. Nco ntsoov tias txoj cai ? Kuv vam tias yog li ntawd, raws li peb tau kawm txog lub sijhawm dhau los, qhov no txoj cai golden ntawm kev daws teeb meem yuav yog ib qho tseem ceeb heev nyob rau hauv tag nrho koj lub neej yav tom ntej kev daws teeb meem kev rau siab.

Ib qho piv txwv 2 kauj ruam yog dab tsi?

Ib kev sib npaug uas xav tau ob cov kauj ruam daws. Piv txwv 5x-6 = 9. Kauj ruam 1: Ntxiv 6 rau ob sab: 5x = 15. Kauj ruam 2 : Faib ob sab los ntawm 5: x = 3. Linear Kev sib npaug feem ntau xav tau ob cov kauj ruam daws.

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