Dab tsi yog qhov txawv ntawm ordinal thiab cardinal?
Dab tsi yog qhov txawv ntawm ordinal thiab cardinal?

Video: Dab tsi yog qhov txawv ntawm ordinal thiab cardinal?

Video: Dab tsi yog qhov txawv ntawm ordinal thiab cardinal?
Video: Tuag ua dab sawv los ua xyws 2/27/2020 2024, Kaum ib hlis
Anonim

A Cardinal Tus lej yog tus lej uas hais tias muaj pes tsawg yam muaj xws li ib, ob, peb, plaub, tsib. Ib Ordinal Tus lej yog tus lej uas qhia qhov chaw ntawm ib yam dab tsi hauv a npe, xws li 1st, 2nd, 3rd, 4th, 5th thiab lwm yam.

Kuj paub yog, cov ntaub ntawv cardinal yog dab tsi?

Cardinal cov lej, hu ua "suav lej," qhia kom muaj nuj nqis. Ordinal tooj qhia qhov kev txiav txim lossis qib ntawm cov khoom hauv ib pawg (piv txwv li, thib rau hauv kab; thib plaub). Nominal naj npawb npe lossis txheeb xyuas qee yam (piv txwv li, tus zipcode lossis tus neeg ua si hauv pab pawg.)

Ib tug kuj yuav nug, yuav siv li cas tus lej? Cov lej qhia qhov kev txiav txim ntawm yuav ua li cas cov khoom yog teem, lawv qhia txoj hauj lwm los yog qeb ntawm ib yam dab tsi. Cov lej txhua tus siv lub ntsiab lus. Cov lus xaus yog: -nd, -rd, -st, or-th. Piv txwv li: 'thib ob' (2nd), 'thib peb' (3rd), 'thawj' (1st), thiab 'thib' (10th).

Tsis tas li ntawd, tus lej cardinal piv txwv yog dab tsi?

A Cardinal Number hais tias muaj pes tsawg yam muaj xws li ib, ob, peb, plaub, tsib. A CardinalNumber teb cov lus nug "Puas muaj pes tsawg?" Piv txwv : hereare tsib npib: Nws tsis muaj feem lossis cov zauv, nws tsuas yog siv rau suav.

Vim li cas tus lej cardinal hu ua Cardinal?

Hauv kev teeb tsa txoj kev xav, a cardinal tus lej (kuj hu ua "lub cardinality") yog ib hom ntawm tus naj npawb uas tau teev tseg hauv txoj kev uas txhua txoj kev suav suav siv nws muab cov txiaj ntsig zoo ib yam.

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