Video: Yuav ua li cas koj nrhiav tau qhov kev daws teeb meem rau ib khub xaj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Xav paub tias yog ib xaj khub yog a daws rau qhov sib npaug, koj tuaj yeem ua qhov kev xeem. Txheeb xyuas qhov x-tus nqi hauv qhov xaj khub thiab ntsaws rau hauv qhov sib npaug. Thaum koj ua kom yooj yim, yog tias y-tus nqi koj tau txais yog tib yam li y-tus nqi hauv qhov xaj khub , tiam ntawd xaj khub yog tseeb a daws mus rau qhov sib npaug.
Tib neeg kuj nug, dab tsi yog tus khub txiav txim rau qhov sib npaug?
Order ua khub feem ntau yog siv los sawv cev rau ob qhov sib txawv. Thaum peb sau (x, y) = (7, − 2), peb txhais tau tias x = 7 thiab y = - 2. Tus lej uas sib raug rau tus nqi x yog hu ua x-coordinate thiab tus lej uas sib raug rau tus nqi. ntawm y yog hu ua y-coordinate.
Ib tug kuj yuav nug, leej twg txiav txim khub yog kev daws ntawm qhov tsis sib xws? Mus saib yog ib xaj khub yog kev daws teeb meem rau ib kev tsis sib xws , ntsaws rau hauv kev tsis sib xws thiab ua kom yooj yim. Yog hais tias koj tau txais ib nqe lus tseeb, ces tus xaj khub yog kev daws teeb meem mus rau kev tsis sib xws . Yog tias koj tau txais cov lus tsis tseeb, ces tus xaj khub tsis yog a daws.
Ib yam li ntawd, puas yog qhov kev txiav txim ua khub yog kev daws teeb meem ntawm qhov system?
Feem ntau, a daws ntawm a qhov system nyob rau hauv ob variables yog ib xaj khub uas ua rau ob qho kev sib npaug muaj tseeb. Hauv lwm lo lus, nws yog qhov twg ob daim duab sib tshuam, lawv muaj dab tsi sib xws. Yog li ib xaj khub yog a daws mus rau ib qho kev sib npaug, tab sis tsis yog lwm yam, ces nws tsis yog daws mus rau qhov system.
Dab tsi yog qhov kev daws teeb meem ntawm kev sib npaug?
A daws yog ib txoj haujlwm ntawm cov lus qhia rau cov tsis paub hloov pauv uas ua rau muaj kev sib luag hauv cov kev sib npaug muaj tseeb. A kev daws teeb meem ntawm ib qho kev sib npaug feem ntau kuj hu ua lub hauv paus ntawm lub kev sib npaug , tshwj xeeb tab sis tsis yog rau algebraic lossis lej kev sib npaug . Ib qho teeb meem ntawm kev daws ib qho kev sib npaug tej zaum yuav yog tus lej lossis cim.
Pom zoo:
Koj yuav txiav txim siab li cas yog tias qhov tsis sib xws tsis muaj kev daws teeb meem?
Cais tawm tus nqi tseeb ntawm sab laug ntawm qhov tsis sib xws. Yog tias tus lej ntawm sab nraud ntawm qhov tsis sib xws yog qhov tsis zoo, koj qhov kev sib npaug tsis muaj kev daws teeb meem lossis tag nrho cov lej tiag tiag li kev daws teeb meem. Siv cov cim ntawm txhua sab ntawm koj qhov tsis sib xws los txiav txim siab qhov twg ntawm cov xwm txheej no tuav
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