Cov txheej txheem:

Lub rooj sib npaug sib npaug yog dab tsi?
Lub rooj sib npaug sib npaug yog dab tsi?

Video: Lub rooj sib npaug sib npaug yog dab tsi?

Video: Lub rooj sib npaug sib npaug yog dab tsi?
Video: Qhia txhais 50 zaj npau suav tias yog dab tsi part 3 15 Sep 2019 2024, Kaum ib hlis
Anonim

Cov tub ntxhais kawm nkag siab tias a piv feem ntau yog siv los piav txog kev sib raug zoo ntawm tus nqi ntawm ib qho. kom muaj nuj nqis thiab tus nqi ntawm lwm qhov ntau npaum li nyob rau hauv cov ntaub ntawv ntawm kev sib tov lossis tus nqi tas li. ? Cov tub ntxhais kawm nkag siab tias a ratio rooj yog a lub rooj sib npaug sib npaug . Cov tub ntxhais kawm siv piv rooj daws.

Ua raws li qhov no hauv kev xav, dab tsi yog lub rooj sib piv?

A ratio rooj yog ib daim ntawv teev npe sib npaug (tus nqi sib npaug) piv uas pab peb nkag siab txog kev sib raug zoo ntawm cov piv thiab cov lej. Cov nqi, zoo li koj lub plawv dhia, yog hom tshwj xeeb piv , qhov twg ob tus lej sib piv muaj qhov sib txawv.

Tom qab ntawd, lo lus nug yog, koj ua li cas kom yooj yim qhov piv? Rau ua kom yooj yim a piv , pib los ntawm kev faib tawm ob tus lej hauv qhov piv . Tom qab ntawd, nrhiav qhov tseem ceeb tshaj plaws, uas yog qhov tseem ceeb tshaj plaws uas ob tus lej hauv piv qhia. Thaum kawg, faib ob tus lej los ntawm qhov tseem ceeb tshaj plaws kom tau txais yooj yim piv.

Ib sab saum toj no, koj daws qhov piv txwv li cas?

Txhawm rau siv proportions los daws qhov teeb meem ntawm lo lus, peb yuav tsum ua raws li cov kauj ruam no:

  1. Txheeb xyuas qhov paub piv thiab qhov tsis paub qhov piv.
  2. Teeb tsa qhov kev faib ua feem.
  3. Hla-multiply thiab daws.
  4. Xyuas cov lus teb los ntawm kev ntsaws qhov tshwm sim rau hauv qhov tsis paub qhov piv.

Cov piv txwv ntawm cov piv txwv yog dab tsi?

Hauv lej, a piv qhia tias pes tsawg zaus ib tus lej muaj lwm tus. Rau piv txwv , yog hais tias muaj yim txiv kab ntxwv thiab rau lemons nyob rau hauv ib lub tais ntawm txiv hmab txiv ntoo, ces tus piv ntawm txiv kab ntxwv rau txiv qaub yog yim rau rau (uas yog, 8∶6, uas yog sib npaug rau piv 4∶3).

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