Cov kev cai: yuav ua li cas nyob ib puag ncig ib tug xov tooj rau ob tug zauv chaw

Nyob rau hauv kev kawm txog zauv hu ua pub muab kwv yees lag luam, uas thiaj li tus naj npawb ntawm cov cim xws li los ntawm txoj kev lawv hloov, noj mus rau hauv tus account tej kev cai. Yog hais tias koj xav nyob rau hauv cov nqe lus nug ntawm yuav ua li cas nyob ib puag ncig ib tug xov tooj rau ob tug zauv qhov chaw, nws yuav tsum xub hais nrog tag nrho cov uas twb muaj lawm kev cai ntawm pub muab kwv yees. Muaj ob peb xaiv ntawm yuav ua li cas nyob ib puag ncig tawm rau cov xov tooj:

1. Statistical - siv nyob rau hauv lub ca ntawm lub nroog lub neeg. Hais txog cov xov tooj ntawm cov pej xeem uas hu ua tsuas yog ib tug approximate nqi thiab tsis yam li daim duab.
2. Ib nrab - pub muab kwv yees ib nrab mus rau qhov ze txawm tooj.
3. Pub muab kwv yees mus rau ib tug me me muaj pes tsawg tus (puag ncig mus rau zero) - qhov no yog qhov yooj yim pub muab kwv yees uas tus muab pov tseg ntawm "ntxiv" xaus-npawb tsab.
4. Pub muab kwv yees rau ntau cov - yog hais tias tej yam uas xav kom ib puag ncig, tsis yog pes tsawg, ces tus xov tooj yog npawv. Xws li ib tug txoj kev yog siv cov chaw kho mob los yog mobile tswv.
5. Ib tug uas tsis yog-xoom rounding - tus xov tooj yog npawv raws li cov kev cai, tab sis thaum cov yuav tsum 0, ces pub muab kwv yees yog ua li cas "los ntawm kos".
6. Lub alternating pub muab kwv yees - thaum N + 1 yog sib npaug zos rau 5, tus xov tooj ntawm koj lem yog npawv nyob rau hauv lub qis, lub ntau dua sab.

Piv txwv li, koj yuav tau nyob ib puag ncig rau tus xov tooj 21,837 mus rau lub hundredths. Tom qab pub muab kwv yees koj lo lus teb kom yuav tsum 21,84. Piav vim li cas. Daim duab 8 yog muaj nyob rau hauv lub thib kaum paug, yog li ntawd, nyob rau hauv lub paug 3 hundredths, thiab 7 - puas. 7 ntau tshaj 5, li ntawd, ua rau peb kom lub 3-ku 1, uas yog, mus txog rau 4. Nws yog ib qho yooj yim yog tias koj paub ib tug ob peb cov kev cai:

1. Cov yav tas khaws daim duab ntawm lub nce mus rau ib nyob rau hauv cov kev tshwm sim hais tias tus thawj cam khwb cia los ntawm nyob rau hauv pem hauv ntej ntawm nws - ntau tshaj 5. Yog hais tias lub cev yog 5, thiab tom qab nws muaj cov tseem ib co lwm yam nuj nqis, rau yav tas los yog tseem muaj zog los ntawm 1.

Piv txwv li, peb yuav tsum nyob ib puag ncig mus txog rau lub thib kaum: 54.69 = 54.7, los yog 7.357 = 7.4.

Yog hais tias koj nug ib lo lus nug txog yuav ua li cas nyob ib puag ncig ib tug xov tooj rau ob tug zauv qhov chaw, ua piv mus rau saum toj scenario.

2. Cov yav tas khaws daim duab tseem unchanged yog hais tias tus thawj ntawm cov cam khwb cia, uas sawv nyob rau hauv pem hauv ntej ntawm nws yog tsawg tshaj li 5.

Piv txwv li: 96.71 = 96.7.

3. Qhov kawg ntawm lub cia tus xov tooj nyob twj ywm unchanged, muab hais tias nws yog txawm, thiab yog hais tias tus thawj cam khwb cia - tus xov tooj 5, thiab tom qab nws muaj yog tsis muaj lawm tej nuj nqis. Yog hais tias lub reserves xam - yog khib, nws yog nce los ntawm 1.

Piv txwv: 84,45 = 63,75 = 84,4 los yog 63,8.

Nco ntsoov. Nyob rau hauv muaj ntau yam tsev kawm ntawv, menyuam kawm ntawv muab ib tug yooj yim to taub version ntawm lub rounding kev cai, yog li ntawd koj yuav tsum tau khaws qhov no nyob rau hauv lub siab. Lawv tag nrho cov nuj nqis nyob twj ywm unchanged, yog hais tias lawv mus tom qab cov zauv 0 mus rau 4 thiab yog nce los ntawm 1, muab hais tias thaum muaj ib tug xov tooj ntawm 5 mus rau 9. Muab daws teeb meem nrog pub muab kwv yees raws li cai, tab sis yog tias lub tsev kawm ntawv qhov txhab los yooj yim to taub version, lub kom tsis txhob muaj kev tsis sib haum yuav tsum tau lo rau nws. Peb cia siab tias koj yuav to taub yuav ua li cas nyob ib puag ncig ib tug xov tooj rau ob tug zauv qhov chaw.

Pub muab kwv yees tawm lub neej nws yog ib qhov tsim nyog rau lub yooj yim ntawm cov ua hauj lwm nrog cov zauv thiab kev taw qhia cov neeg. Thaum lub tam sim no lub sij hawm muaj yog xws li ib tug txhais, raws li ib tug anti-pub muab kwv yees. Piv txwv li, thaum suav ntawm votes ntawm tej kev tshawb fawb round tus xov tooj yog suav hais tias yuav ua phem daim ntawv. Khw kuj siv tau anti-pub muab kwv yees los ua ib tug tswv yim uas buyers ntau paaj nqi (piv txwv li, sau ntawv 199 es tsis txhob ntawm 200). Peb cia siab hais tias cov nqe lus nug ntawm yuav ua li cas nyob ib puag ncig tus xov tooj mus rau lub hundredths los yog kaum, tam sim no koj muaj peev xwm teb tau koj tus kheej.