Kev rho tawm yog qhov thim rov qab (kev ua haujlwm tsis sib haum) ntawm ntxiv. Kev rho tawm yog qhov sib txawv ntawm qhov sib npaug. Kev rho tawm tuaj yeem thim rov qab ntxiv.
txhais li cas tias qhov sib ntxiv thiab rho tawm yog kev ua haujlwm rov qab?
Ib qho kev hloov pauv "rov qab" lwm txoj haujlwm. Ntxiv thiab rho tawm yog inverses ntawm ib leeg vim ntxiv thiab rho tus lej qub tsis hloov tus lej qub.
Yuav ua li cas hloov pauv piv txwv?
Inverse operations yog cov haujlwm uas tawm tsam lossis "rov ua" ib leeg. Piv txwv li, ntxiv undoes rho thiab faib undoes multiplication.
Kev rho tawm yog dab tsi?
Kev rho tawm yog kev ua lej lej uas sawv cev rau kev tshem tawm cov khoom los ntawm kev sau. … Nws kuj tsis yog koom nrog, txhais tau hais tias thaum ib tus rho ntau tshaj ob tus lej, qhov kev txiav txim uas rho tawm yog qhov tseem ceeb.
Kev ua lej hloov pauv yog dab tsi?
Inverse operationsare pairs of mathematical manipulations in which one operation undoes the action of other-piv txwv li, sib ntxiv thiab rho, sib faib thiab faib. Tus inverse ntawm tus lej feem ntau txhais tau tias nws qhov sib txuam, piv txwv li x - 1=1 / x. Cov khoom ntawm tus lej thiab nws qhov kev hloov pauv (reciprocal) sib npaug 1.
