Leej twg yuav rho tawm feem pua?

Cov txheej txheem:

Leej twg yuav rho tawm feem pua?
Leej twg yuav rho tawm feem pua?
Anonim

Txhawm rau rho tawm ib feem pua ntawm tus lej, tsuas yog muab tus lej ntawd los ntawm feem pua koj xav kom nyob. Hauv lwm lo lus, muab 100 feem pua rho tawm qhov feem pua koj xav rho tawm, hauv daim ntawv zauv. Txhawm rau rho tawm 20 feem pua, muab 80 feem pua (0.8).

Koj rho tawm 20% ntawm tus nqi li cas?

20 feem pua tawm yog nyob ntawm tus nqi qub:

  1. Nco tus lej qub thiab faib ua 10.
  2. ob npaug koj tus lej tshiab.
  3. rho koj tus lej ob npaug ntawm tus lej qub.
  4. Koj tau txais 20 feem pua! Rau $30, koj yuav tsum muaj $24.

Koj rho ib feem pua ntawm ob tus lej li cas?

Qhov txawv ntawm ob qhov txiaj ntsig muab faib los ntawm qhov nruab nrab ntawm ob qhov txiaj ntsig. Qhia ua tus feem pua.

  1. Kauj Ruam 1: Qhov txawv yog 4 − 6=−2, tab sis tsis quav ntsej cov cim kos: qhov txawv=2.
  2. Kauj Ruam 2: Qhov nruab nrab yog (4 + 6) / 2=10/2=5.
  3. Kauj Ruam 2: Faib: 2/5=0.4.
  4. Kauj Ruam 3: Hloov 0.4 rau feem pua: 0.4 × 100=40%.

Koj rho 10% ntawm tag nrho li cas?

Ib txoj hauv kev yooj yim tshaj plaws los txiav txim siab 10 feem pua qis yog faib tag nrho tus nqi muag los ntawm 10 thiab tom qab ntawd rho tawm ntawm tus nqi. Koj tuaj yeem suav qhov luv nqi no hauv koj lub taub hau. Rau qhov luv nqi 20 feem pua, faib los ntawm kaum thiab muab qhov tshwm sim los ntawm ob.

$20 yog dab tsi nrog 10% tawm?

Muag Nqe=$18(teb). Qhov no txhais tau tias tus nqi ntawm cov khoom rau koj yog $18. Koj yuav them $18 rau ib yam khoom nrog tus nqi qub ntawm $20 thaum luv nqi 10%. Hauv qhov piv txwv no, yog tias koj yuav ib yam khoom ntawm $ 20 nrog 10% luv nqi, koj yuav them 20 - 2=18 las.

Pom zoo:

Nthuav cov khoom
Thaum twg peb lub pas dej tauv tsim?
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Thaum twg peb lub pas dej tauv tsim?

Peb lub Gorges Dam yog lub pas dej loj loj uas hla tus Dej Yangtze los ntawm lub nroog Sandouping, hauv Yiling District, Yichang, Hubei xeev, nruab nrab Tuam Tshoj, nqes ntawm peb Gorges. Peb Gorges Dam tau ua lub chaw nres tsheb loj tshaj plaws hauv ntiaj teb raws li kev teeb tsa muaj peev xwm txij li xyoo 2012.

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Puas yog acetamide muaj ntxhiab tsw?

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Kuv puas tau mob plawv?

Feem ntau, lawv tshwm sim los ntawm kev ntxhov siab thiab kev ntxhov siab, lossis vim tias koj tau muaj caffeine, nicotine, lossis cawv ntau dhau lawm. Lawv kuj tuaj yeem tshwm sim thaum koj cev xeeb tub. Muaj tsawg zaus, palpitations tuaj yeem yog ib qho cim ntawm lub plawv mob hnyav dua.