Dab tsi yog qhov khoom ntawm kev nthuav qhia?
Dab tsi yog qhov khoom ntawm kev nthuav qhia?

Video: Dab tsi yog qhov khoom ntawm kev nthuav qhia?

Video: Dab tsi yog qhov khoom ntawm kev nthuav qhia?
Video: qhov ncauj qhia tau neeg Tus YAM NTXWV thiab TXOJ HMOO 2024, Kaum ib hlis
Anonim

Hauv lej, a khoom yog qhov tshwm sim ntawm kev sib npaug, lossis ib qho kev qhia uas txheeb xyuas cov xwm txheej rau bemultiplied. Yog li, piv txwv li, 15 yog qhov khoom ntawm 3 thiab 5 (qhov tshwm sim ntawm kev sib npaug), thiab yog qhov khoom ntawm thiab (qhia tias ob yam yuav tsum tau muab sib npaug).

Ntawm no, dab tsi yog cov khoom hauv algebraic qhia?

Piv txwv li, 2 (3 + 8) yog tus lej kev qhia . Algebraic nthuav qhia suav nrog yam tsawg kawg ib qho kev sib txawv thiab tsawg kawg yog ib qho kev ua haujlwm (ntxiv, rho tawm, sib npaug, faib). Piv txwv li, 2(x + 8y) yog ib algebraicexpression.

Tsis tas li ntawd, nws txhais li cas los nrhiav txhua yam khoom? A khoom yog qhov qhov tshwm sim ntawm kev ua tus kev ua lej ntawm kev sib npaug. Thaum koj muab cov lej ua ke, koj tau lawv khoom . Txhua kev ua haujlwm thiab muaj cov khoom tshwj xeeb tswj hwm li cas tus tus lej ua tau tau npaj thiab ua ke.

Dab tsi yog yam ntawm kev nthuav qhia?

Ib lub sij hawm tuaj yeem yog tus lej kos npe, tus lej sib txawv, lossis qhov sib npaug los ntawm qhov sib txawv lossis qhov sib txawv. Qhov xwm txheej : Tej yam uas yog muab faib ua lwm yam. A yam tuaj yeem yog tus lej, hloov pauv, lub sijhawm, lossis ntev dua kev qhia . Piv txwv li, lub kev qhia 7x(y+3) 3 yam 7, x, y(y+3).

Ib qho piv txwv ntawm kev qhia yog dab tsi?

Cov lej, cov cim thiab cov neeg ua haujlwm (xws li + thiab ×) ua ke ua ke uas qhia tias muaj txiaj ntsig ntawm ib yam dab tsi. Piv txwv :• 2 + 3 yog ib kev qhia.

Pom zoo: