Kev rho tawm thiab kev faib cuam tshuam li cas?
Kev rho tawm thiab kev faib cuam tshuam li cas?

Video: Kev rho tawm thiab kev faib cuam tshuam li cas?

Video: Kev rho tawm thiab kev faib cuam tshuam li cas?
Video: Soob fwm xeem lauj thov kev pab 3/19/22 2024, Kaum ib hlis
Anonim

Cov lus teb, los yog quotient, yog tus naj npawb ntawm cov khoom hauv txhua pab pawg. Vim multiplication yog ib daim ntawv ntawm kev rov ntxiv, kev faib yog ib daim ntawv rov qab rho tawm . Piv txwv li, 15 ÷ 5 hais kom koj rov hais dua rho tawm 5 ntawm 15 mus txog rau xoom: 15 − 5 − 5 − 5 = 0.

Ib yam li ntawd, tib neeg nug, kev sib faib thiab kev rho tawm yog dab tsi?

Lub xwb Kev sib raug zoo ntawm kev faib thiab rho tawm yog tias lawv tsis ua haujlwm tiag. Cia kuv piav. Thaum koj txhais cov lej ntawm cov lej, koj nrhiav rau qhov nruab nrab - uas yog tus lej uas suav nrog lwm tus hloov mus ua tus lej qub: a + 0 = a.

Ib yam li ntawd, qhov sib ntxiv thiab rho tawm zoo li qhov sib npaug thiab faib li cas? Inverse Relationship ntawm Multiplication thiab Division . Muaj kev sib raug zoo ntawm kev sib hloov multiplication thiab division xwb nyiam muaj nyob nruab nrab ntxiv thiab rho tawm.

Ib yam li ntawd, puas yog kev faib tib yam li kev rho tawm?

Rov ua dua rho tawm yog ib txoj kev rho tawm qhov sib npaug ntawm cov khoom los ntawm ib pawg loj. Nws tseem hu ua kev faib . Yog tias ib yam tus lej yog rov ua dua rho tawm los ntawm lwm tus lej loj dua kom txog rau thaum qhov seem yog xoom lossis tus lej tsawg dua tus lej rho tawm , peb tuaj yeem sau qhov ntawd hauv daim ntawv ntawm kev faib.

Kev faib kab lus yog dab tsi?

A kab lus faib yog tus lej kab lus uas siv kev ua haujlwm ntawm kev faib . Kev faib muaj kev ua haujlwm rov qab, uas yog kev sib npaug. Multiplication thiab kev faib 'undo' los yog 'rov qab' ib leeg. Peb tuaj yeem siv qhov kev ua haujlwm sib txawv ntawm kev sib npaug, lossis peb tuaj yeem siv rov ua dua ntxiv, ua kom tiav a kab lus faib.

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