5 feem pua yog ib nrab ntawm 10 feem pua. Txhawm rau xam 5 feem pua ntawm tus lej, yooj yim faib 10 feem pua ntawm tus lej los ntawm 2. Piv txwv li, 5 feem pua ntawm 230 yog 23 faib ua 2, lossis 11.5.
Ib yam li ntawd, koj ua haujlwm li cas 12 ntawm tus lej? Piv txwv li: 4 ntawm 12% yog dab tsi?
- Sau siv cov mis: X = 4 ÷ 12%
- daws rau X: X = Y ÷ P%
- Hloov qhov feem pua mus rau zauv.
- 12% ÷ 100 = 0.12.
- 4x = 0.12.
- XAB = 33.3333.
- 4 ntawm 33.3333 yog 12%
Koj ua haujlwm li cas 1% ntawm tus lej? Txhawm rau nrhiav 1% ntawm qee yam (1/100 ntawm qee yam), faib los ntawm 100. Nco ntsoov faib los ntawm 100 lub hlwb: Tsuas yog txav tus lej lej ob qhov chaw mus rau sab laug. Piv txwv li, 1% ntawm 540 yog 5.4. Thiab 1% ntawm 8.30 yog 0.083.
Koj ua haujlwm li cas 10% ntawm lub laij lej?
Qhov thib ob Koj ua li cas thiaj nrhiav tau 15 feem pua ntawm tus lej tsis muaj lub tshuab xam zauv?
Koj ua haujlwm li cas 20% ntawm tus lej?
Yog li ntawd, nrhiav 20% ntawm tus lej, faib los ntawm 5 vim 20 mus rau 100 tsib zaug. Thaum 10% ntawm tus nqi paub, qhov no tuaj yeem raug kho kom pom lwm cov nyiaj xws li 5% lossis 1%, lossis ib qho nyiaj uas yuav pab tau los teb cov lus nug.
ces koj yuav nrhiav 75 feem pua ntawm tus lej li cas? Txhawm rau nrhiav 75% ntawm tus lej, peb lub hlis twg nws mam li muab 3. 75% yog tib yam li peb-plaub lossis peb-plaub. Txhawm rau nrhiav 10% ntawm tus lej, faib nws los ntawm 10!
Yuav ua li cas koj thiaj li tau txais qhov feem pua khawm ntawm koj lub laij lej iPhone?
Yuav ua li cas koj xam feem pua hauv online ntawm lub laij lej?
Txhawm rau xam qhov feem pua ntawm ib feem pua, hloov ob feem pua mus rau feem feem ntawm 100, lossis rau decimals, thiab muab lawv sib npaug. Piv txwv li, 50% ntawm 40% yog xam; (50/100) x (40/100) = 0.50 x 0.40 = 0.20 = 20/100 = 20%.
Tus lej twg yog 15 feem pua ntawm 60? Teb: 15% ntawm 60 yog 9.
Tus lej twg yog 15% ntawm 100?
15 feem pua ntawm 100 yog 15. 3.
Tus lej ntawm 15 yog dab tsi? Piv txwv li, 15% yog sib npaug rau tus lej 0.15.
Puas yog 56 tawm ntawm 80?
Tam sim no peb tuaj yeem pom tias peb feem yog 70/100, uas txhais tau tias 56/80 raws li feem pua yog 70%.
Dab tsi feem pua yog 27 tawm ntawm 48?
Tam sim no peb tuaj yeem pom tias peb feem yog 56.25/100, uas txhais tau tias 27/48 raws li feem pua yog 56.25%.
Koj nrhiav tau li cas feem pua? Cov feem pua yuav suav tau los ntawm kev faib tus nqi los ntawm tag nrho tus nqi, thiab tom qab ntawd muab qhov tshwm sim los ntawm 100. Cov qauv siv los suav feem pua yog: (tus nqi/tus nqi tag nrho) × 100%.
Koj ntxiv li cas feem pua? Kuv yuav ua li cas ntxiv qhov feem pua nce rau tus lej?
- Faib tus lej koj xav kom nce 100 kom pom 1% ntawm nws.
- Ntxiv 1% los ntawm koj qhov feem pua ntawm koj xaiv.
- Ntxiv tus lej no rau koj tus lej qub.
- Nyob ntawd koj mus, koj nyuam qhuav ntxiv qhov feem pua nce rau tus lej!
Koj pom qhov feem pua ntawm tag nrho cov feem pua yog li cas?
Txhawm rau xam qhov feem pua ntawm ib feem pua, hloov ob feem pua mus rau feem feem ntawm 100, lossis rau decimals, thiab muab lawv sib npaug. Piv txwv li, 50% ntawm 40% yog: 50⁄100 × 40⁄100 = 0.50 × 0.40 = 0.20 = 20⁄100 = 20%.
Tus lej twg yog 15% ntawm 75? 15 feem pua ntawm 75 yog 11.25.
Tus lej twg yog 15% ntawm 80?
12 yog 15% ntawm 80.
15% ntawm tus lej yog dab tsi? 15% yog 10% + 5% (lossis 0.15 = 0.1 + 0.05, faib txhua feem pua ntawm 100). Xav txog nws txoj hauv kev no muaj txiaj ntsig zoo rau ob qho laj thawj. Ua ntej, nws yog qhov yooj yim los muab cov lej los ntawm 0.1; cia li txav tus lej cim zauv tseg ib tus lej. Piv txwv li, 75.00 x 0.1 = 7.50, lossis 346.43 x 0.1 = 34.64 (ze txaus).
15 ntawm 20 yog dab tsi?
Teb: 15% ntawm 20 yog 3.
Cia peb nrhiav 15% ntawm 20.
Tus lej twg yog 25% ntawm 50? Teb: 25% ntawm 50 yog 25/2 los yog 12½ raws li ib feem thiab 12.5 ua decimal.