Video: Muaj pes tsawg qhov kev faib tawm?
2024 Tus sau: Edward Hancock | [email protected]. Kawg hloov kho: 2023-12-16 01:32
Division Facts . Rau txhua pab pawg ntawm peb tus lej, nyob ntawd yuav yog ob tug multiplication qhov tseeb thiab ob faib qhov tseeb.
Yog li ntawd, qhov kev faib tawm yog dab tsi?
Thaum cov kws qhia ntawv tham txog kev faib cov ntsiab lus, lawv txhais tau hais tias cov kab lus faib cov lej cuam tshuam nrog lub sij hawm cov lus. Yog li ntawd: 30 ÷ 3 = 10, 27 ÷ 3 = 9 thiab 24 ÷ 3 = 8 yog tag nrho cov kev faib qhov tseeb rau lub rooj peb zaug.
Tom qab ntawd, lo lus nug yog, dab tsi yog qhov kev faib pib? Kev faib yog tus txheej txheem lej ntawm kev faib tus lej rau hauv pawg sib npaug. Peb qhov tseem ceeb rau a kev faib teeb meem yog cov nyiaj faib, divisor thiab quotient. Yog tias koj ua raws li cov kauj ruam yooj yim ntawm kev faib, sib faib, rho tawm thiab poob qis, koj yuav daws tau sai sai kev faib teeb meem.
Ntawm no, dab tsi faib qhov tseeb koj tuaj yeem siv?
Tus qauv qhia tau hais tias kev faib "undoes" multiplication thiab multiplication "undoes" kev faib . Yog li thaum sib faib lossis faib, cov tub ntxhais kawm siv tau ib qhov tseeb los ntawm kev ua haujlwm inverse. Piv txwv li, txij thaum koj luas 4 x 5 = 20, koj kuj paub txog faib fact 20 ÷ 4 = 5 or 20 ÷ 5 = 4.
Vim li cas peb thiaj xav tau kev faib?
Kev faib tso cai rau peb faib lossis 'sib qhia' tus lej los nrhiav cov lus teb. Multiplication muab peb txoj kev ceev ntawm kev ua ntau yam ntxiv thiab kev faib muab peb txoj hauv kev sai ntawm kev ua ntau qhov kev rho tawm.
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