Qhov tshwm sim ntawm xaiv liab marble yog dab tsi?
Qhov tshwm sim ntawm xaiv liab marble yog dab tsi?

Video: Qhov tshwm sim ntawm xaiv liab marble yog dab tsi?

Video: Qhov tshwm sim ntawm xaiv liab marble yog dab tsi?
Video: Keeb kwm kev tshwm sim tib neeg, Txawj siv hluav taws, txawj siv tooj, muab kub, txawj ntau hlau 2024, Kaum ib hlis
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Txij li thaum 4/10 txo rau 2/5, lub qhov tshwm sim ntawm drawing a liab marble qhov twg tag nrho cov txiaj ntsig zoo sib npaug yog 2/5. Qhia ua tus lej, 4/10 =. 4; 4/10 = 40/100 = 40%. Xav tias peb tus lej marbles 1 rau 10.

Raws li, qhov tshwm sim ntawm xaiv liab lossis xiav marble yog dab tsi?

Cov Qhov tshwm sim ntawm kev kos duab liab marble = 2/5. Cov Qhov tshwm sim ntawm kev kos duab a xiav marble yog tam sim no = 1/4. Cov Qhov tshwm sim ntawm kev kos duab liab marble = 2/5.

Tsis tas li ntawd, qhov yooj yim tshaj plaws los nrhiav qhov tshwm sim yog dab tsi? Cov kauj ruam

  1. Xaiv ib qho kev tshwm sim uas muaj kev sib koom ua ke.
  2. Txhais tag nrho cov xwm txheej thiab qhov tshwm sim tuaj yeem tshwm sim.
  3. Faib tus naj npawb ntawm cov xwm txheej los ntawm tus lej ntawm qhov ua tau.
  4. Ntxiv tag nrho cov kev tshwm sim tshwm sim kom paub tseeb tias lawv sib npaug 1.
  5. Sawv cev qhov tshwm sim ntawm qhov tshwm sim tsis tuaj yeem nrog 0.

Kuj kom paub yog, qhov tshwm sim ntawm xaiv ntsuab marble yog dab tsi?

Cov Qhov tshwm sim ntawm kev xaiv ntsuab marble ntawm random los ntawm ib lub thawv uas muaj xwb ntsuab , dawb thiab daj marbles yog 1/4.

Dab tsi yog qhov tshwm sim ntawm kev xaiv tus poj huab tais liab los ntawm lub lawj ntawm daim npav?

Muaj ob liab poj huab tais hauv tus qauv 52 daim card , yog li ntawd qhov tshwm sim ntawm kev xaiv poj huab tais liab yog. Qhov ntawd txhais tau tias muaj 25 txoj kev uas nws tsis tshwm sim thiab 1 txoj kev uas nws tshwm sim. Cov txawv tiv 25:1.

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