Koj nrhiav tau cov khoom thiab cov lej li cas?
Koj nrhiav tau cov khoom thiab cov lej li cas?

Video: Koj nrhiav tau cov khoom thiab cov lej li cas?

Video: Koj nrhiav tau cov khoom thiab cov lej li cas?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Kaum ib hlis
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Yog hais tias koj yuav tsum ua hauj lwm tawm lub khoom ntawm ob lossis ntau tus lej, tom qab ntawd koj yuav tsum muab cov lej sib npaug ua ke. Yog hais tias koj yuav nrhiav tau sum ntawm ob lossis ntau tus lej, ces koj yuav tsum tau ntxiv cov lej ua ke.

Kuj nug, qhov khoom ntawm cov lej thiab qhov sib txawv yog dab tsi?

Cov khoom ntawm Sum thiab Qhov Sib Txawv ntawm ob Binomials. Nws yog teev raws li: Lub khoom ntawm binomial sum thiab sib txawv yog sib npaug rau lub square ntawm thawj lub sij hawm rho tawm lub square ntawm lub thib ob lub sij hawm. Cov piv txwv ua haujlwm ntawm lub khoom ntawm sum thiab sib txawv ntawm ob binomials: 1.

Ib tug kuj yuav nug, dab tsi yog qhov sum khoom qauv? Cov sum - khoom qauv Yog hais tias lub polynomial yog ntawm daim ntawv x 2 + b x + c x ^ 2 + bx + c x2 + bx + cx, squared, plus, b, x, plus, c thiab muaj cov ntsiab lus ntawm c uas ntxiv rau b.

Hais txog qhov no, cov khoom ntawm cov nyiaj txhais tau li cas?

lej. Koj nug ib lo lus nug zoo. Hauv lej, thaum peb siv lo lus " sum , "mus txhais tau tias ntxiv cov lej. Thaum peb siv lo lus " khoom , "mus txhais tau tias muab tus lej sib npaug. Yog li qhov " sum ntawm cov khoom " txhais tau tias peb xav ntxiv ( sum ) cov txiaj ntsig ntawm cov lej tau muab ntau ntxiv ( cov khoom ).

Dab tsi yog qhov khoom ntawm?

Cov khoom ntawm ob tus lej yog qhov tshwm sim koj tau txais thaum koj muab lawv ua ke. Yog li 12 yog qhov khoom ntawm 3i4,20 yog khoom ntawm 4i5 lwm.

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