Dab tsi yog qhov txawv ntawm qhov ratio ntawm qhov ratio thiab tus nqi?
Dab tsi yog qhov txawv ntawm qhov ratio ntawm qhov ratio thiab tus nqi?

Video: Dab tsi yog qhov txawv ntawm qhov ratio ntawm qhov ratio thiab tus nqi?

Video: Dab tsi yog qhov txawv ntawm qhov ratio ntawm qhov ratio thiab tus nqi?
Video: Qhia txhais 50 zaj npau suav tias yog dab tsi part 3 15 Sep 2019 2024, Kaum ib hlis
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A piv piv qhov loj ntawm ob qhov ntau. Thaum cov khoom muaj txawv units, tiam a piv npe a tus nqi . A kev faib ua feem yog ib nqe lus hais txog kev sib npaug nruab nrab ob piv.

Ua li no, qhov ratio thiab tus nqi yog dab tsi?

A piv yog kev sib piv ntawm ob tus lej lossis kev ntsuas. Cov lej lossis kev ntsuas raug muab piv yog hu ua cov ntsiab lus ntawm cov piv . A tus nqi yog qhov tshwj xeeb piv nyob rau hauv uas ob lo lus nyob rau hauv txawv units. Piv txwv li, yog tias 12-ounce tau pob kws raug nqi 69 ¢, qhov tus nqi yog 69¢ rau 12 ooj.

Ib yam li ntawd, qhov sib txawv ntawm qhov piv thiab feem pua yog dab tsi? Qhov sib txawv ntawm qhov ratio thiab feem pua . A piv yog ib txoj hauv kev los piav txog kev sib raug zoo nruab nrab ob txawv qhov ntau. Feem pua kuj yog ib txoj kev los piv ob txawv yam, tab sis lawv piv ib feem ntawm ib yam dab tsi rau tag nrho.

Tom qab ntawd, lo lus nug yog, dab tsi yog proportional thiab ratio?

A kev faib ua feem yog ib qho kev sib npaug nrog a piv ntawm txhua sab. Nws yog ib nqe lus hais tias ob piv sib npaug. 3/4 = 6/8 yog ib qho piv txwv ntawm a kev faib ua feem . Thaum ib qho ntawm plaub tus lej hauv a kev faib ua feem tsis paub, cov khoom hla tuaj yeem siv los nrhiav tus lej tsis paub. Qhov no yog hu ua daws cov kev faib ua feem.

Dab tsi yog ratio formula?

Tus qauv piv txwv . Thaum peb sib piv kev sib raug zoo ntawm ob tus lej cuam tshuam nrog ib hom, ces peb siv tus piv txwv . Nws yog denoted raws li ib tug sib cais ntawm tus lej nrog ib tug nyuv (:). Qee lub sij hawm ib qho kev faib kos npe kuj siv los qhia piv.

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