Kev faib thiab sib faib muaj feem cuam tshuam li cas?
Kev faib thiab sib faib muaj feem cuam tshuam li cas?

Video: Kev faib thiab sib faib muaj feem cuam tshuam li cas?

Video: Kev faib thiab sib faib muaj feem cuam tshuam li cas?
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Kev sib raug zoo ntawm Multiplication thiab Kev faib . Multiplication thiab kev faib nyob ze ntsig txog , muab qhov ntawd kev faib yog inverseoperation ntawm kev sib npaug . Thaum peb faib, peb saib cais ua pawg sib npaug, thaum kev sib npaug koom nrog cov pab pawg sib npaug.

Tsis tas li ntawd, kev sib faib thiab kev faib muaj feem cuam tshuam li cas?

Yog li thaum kev sib npaug los yog kev faib , cov tub ntxhais kawm tuaj yeem siv qhov tseeb los ntawm kev ua haujlwm rov qab. Hauv kev sib npaug tus lej koj ntau hu ua yam; cov lus teb yog hu ua cov khoom. Hauv kev faib tus lej muab faib yog cov nyiaj faib, tus lej uas faib nws yog tus divisor, thiab cov lus teb yog qhov quotient.

Tsis tas li ntawd, dab tsi yog qhov muaj feem cuam tshuam hauv kev sib npaug? Qhov tseeb tsev neeg: Nws yog ib txheej ntawm plaub muaj feem ntau thiab faib qhov tseeb uas siv tib tus lej. Piv txwv li: Cov qhov tseeb tsev neeg rau 3, 8 thiab 24 yog ib pawg ntawm plaub kev sib npaug thiab faib qhov tseeb . Ob tug yog ntau qhov tseeb , whereas lwm ob isdivision qhov tseeb.

Tsis tas li ntawd, puas yog OF MEAN faib lossis sib faib?

Multiplication (×, ∙, *): Cov cim no tag nrho txhais tau tias muab ntau los yog sij hawm. Qhov tseem ceeb yog multiplied ua ke yog cov multipliers lossis yam tseem ceeb (hauv qhov piv txwv no, 2 thiab 3), thiab qhov tshwm sim yog cov khoom (hauv qhov piv txwv no, 6). Kev faib (÷, −, /): Ib kev faib , feem kab, thiab slash cim tag nrho meandivide.

Kev rho tawm thiab kev faib cuam tshuam li cas?

Kev faib yog yuav multiplication li rho tawm yog ntxiv. Kev rho tawm yog ntsig txog mus tab sis tsis raws nraim li ntxiv; kev faib tuaj yeem suav los ntawm kev rov ua dua rho tawm nyob rau hauv ib txoj kev uas yog ntsig txog rau (tab sis tsis raws nraim li) txoj kev sib npaug tuaj yeem suav tau los ntawm kev rov ua dua ntxiv.

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