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Puas yog kev sib faib thiab faib ua haujlwm rov qab?

Cov txheej txheem:

Puas yog kev sib faib thiab faib ua haujlwm rov qab?
Puas yog kev sib faib thiab faib ua haujlwm rov qab?

Video: Puas yog kev sib faib thiab faib ua haujlwm rov qab?

Video: Puas yog kev sib faib thiab faib ua haujlwm rov qab?
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Anonim

Ib yam li, kev sib npaug thiab faib yog inverses ntawm ib leeg vim kev sib faib thiab faib los ntawm tib tus lej tsis hloov tus lej qub. Piv txwv li, 11 × 5/5=11 thiab 6/2 × 2=6. Sib faib los ntawm 2 thiab muab faib los ntawm 2 tshem tawm ib leeg, thiab 6 tsis hloov.

Puas yog kev sib faib thiab faib rov ua haujlwm?

Ib yam li, kev sib npaug thiab faib yog inverses ntawm ib leeg vim kev sib faib thiab faib los ntawm tib tus lej tsis hloov tus lej qub. Piv txwv li, 11 × 5/5=11 thiab 6/2 × 2=6. Sib faib los ntawm 2 thiab muab faib los ntawm 2 tshem tawm ib leeg, thiab 6 tsis hloov.

Puas yog kev sib faib thiab faib ua haujlwm rov qab muaj lossis tsis yog?

Qhov sib txawv ntawm qhov sib ntxiv yog rho tawm thiab rov ua dua. Tus inverse of multiplication yog division and vice versa.

Vim li cas kev sib faib thiab faib ua haujlwm rov qab?

Tus lej qub raug rho tawm dua. Yog li, kev faib yog qhov sib txawv ntawm kev sib npaug. Yog li, kev sib faib thiab kev faib tawm yog kev ua haujlwm sib txawv. Peb yuav hais tias, kev faib yog kev hloov pauv ntawm kev sib npaug.

Yuav ua li cas yog cov haujlwm thim rov qab?

Muaj ntau qhov kev hloov pauv uas koj yuav tsum paub txog: ntxiv thiab rho tawm, sib faib thiab faib, squares thiab square cag (rau cov lej zoo), nrog rau lub voos xwmfab thiab lub voos xwmfab keeb kwm.

Pom zoo: