Cov khoom faib tawm hais tias txhua qhov kev qhia uas muaj peb tus lej A, B, thiab C, muab rau hauv daim ntawv A (B + C) ces nws raug daws raws li A × (B + C)=AB + AC or A (B – C)=AB – AC.
Dab tsi yog txoj cai kev faib tawm?
Txoj cai lij choj, hauv kev ua lej, txoj cai lij choj hais txog kev ua haujlwm ntawm kev sib npaug thiab sib ntxiv, tau hais lub cim, a(b + c)=ab + ac; uas yog, cov khoom monomial a raug faib, lossis cais siv, rau txhua lub sij hawm ntawm qhov binomial b + c, ua rau cov khoom ab + ac.
Koj siv cov khoom faib li cas los daws qhov sib npaug?
Siv cov khoom faib khoom thaum daws qhov sib npaug
- Yog koj pom kab lus, muaj ntau tshaj ib lo lus hauv, ces faib ua ntej!
- Rewrite your equations with like terms ua ke. Nqa daim paib ua ntej ntawm txhua nqe lus.
- Nyob zoo ib tsoom phooj ywg.
- Txuas daws qhov kev sib npaug ib lossis ob kauj ruam.
Dab tsi yog cov khoom faib hauv lej?
Cov khoom faib qhia peb yuav ua li cas daws cov kab lus hauv daim ntawv a(b + c). Cov khoom faib yog qee zaum hu ua txoj cai faib khoom ntawm kev sib faib thiab faib. … Tom qab ntawd peb yuav tsum nco ntsoov muab ntau ua ntej, ua ntej ua qhov sib ntxiv!
Puas faib khoom vaj khoom tsev yog vaj huam sib luag?
Cov khoom faib tawm hais tias cov khoom ntawm kev qhia thiab cov lej sib npaug ntawm cov khoom ntawm cov khoom lag luamkev qhia thiab txhua lo lus hauv cov lej. Piv txwv li, a(b+c)=ab+ac.