Video: Dab tsi yog lo lus tseem ceeb rau kev sib npaug?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ua ntej peb pom qhov khoom plig ceremony, cia peb saib qee yam lo lus tseem ceeb peb siv rau kev sib npaug : Lub multiplicator thiab multiplicand sib npaug ntawm cov khoom. Cov khoom me me yog hu ua yam tseem ceeb thiab qee cov lus qhia uas qhia koj siv cov kev sib npaug Kev ua haujlwm yog: sijhawm, plaub fab, rau txhua qhov, ob npaug, thiab ib.
Tsis tas li ntawd, cov lus twg siv rau kev sib npaug?
Kev Ua Haujlwm Yooj Yim
| Cim | Cov lus siv |
|---|---|
| + | Ntxiv, Ntxiv, Sum, Ntxiv, nce, tag nrho |
| − | Kev rho tawm, rho tawm, rho tawm, tsawg dua, sib txawv, txo qis, tshem tawm, txiav tawm |
| × | Multiplication, Multiply, Product, Los ntawm, Sijhawm, Ntau |
| ÷ | Faib, Faib, Quotient, Mus Rau, Muaj pes tsawg zaus |
Ib yam li ntawd, puas yog ib lo lus sib npaug? Multiplication - khoom, muab ntau ntau , multiplied by, sij. faib, faib, faib, faib, rau , nruab nrab, faib sib npaug. Sib npaug-zoo ib yam, sib npaug, tib yam li, sib npaug, sib npaug. los yog tsis paub nrog a lus Saib nws UP.
Tsis tas li ntawd, cov lus tseem ceeb ntxiv yog dab tsi?
Rau ntxiv , Caulleen siv cov lus tag nrho, sum, tag nrho, thiab nce. Tab sis peb kuj tuaj yeem siv cov lus sib txuas, ntxiv, ntau dua, lossis tsuas yog lo lus "thiab". Rau kev rho tawm, Caulleen siv cov lus, tsawg dua, txo, tshem tawm, thiab rho tawm.
Puas yog ib txwm txhais tau tias ntau ntxiv?
Teb: Nws ua tau txhais tau tias ntau yam. Txawm li cas los xij, thaum nws siv hauv feem pua cov teeb meem, nws ib txwm txhais tau tias a kev sib npaug yog tuaj.
Pom zoo:
Yuav daws qhov tsis sib npaug ntawm cov kab sib npaug thiab cov kab sib npaug sib npaug li cas?
Kev daws qhov tsis sib npaug ntawm qhov sib npaug yog zoo ib yam li kev daws cov kab sib npaug. Qhov sib txawv tseem ceeb yog koj tig lub cim tsis sib xws thaum faib lossis muab faib los ntawm tus lej tsis zoo. Graphing linear inequalities muaj ob peb qhov sib txawv ntxiv. Qhov uas yog qhov ntxoov ntxoo muaj xws li qhov tseem ceeb uas qhov kev tsis sib xws ntawm cov kab tawm muaj tseeb
Dab tsi yog qhov tseem ceeb ntawm cov coefficients hauv kev sib npaug sib npaug?
Coefficients yog ib qho tseem ceeb los ua pov thawj txoj cai ntawm kev txuag ntawm huab hwm coj. Cov coefficients nyob rau hauv ib qho kev sib npaug ntawm cov tshuaj sib npaug qhia cov txheeb ze ntawm moles ofreactants thiab cov khoom. Los ntawm cov ntaub ntawv no, lub Cheebtsam ntawm reactants thiab cov khoom yuav raug xam. Koj tuaj yeem txiav txim seb tus lej ntawm moles ntawm cov khoom
Puas yog txhua qhov sib npaug sib npaug sib npaug?
Thawj qhov sib npaug sib npaug yog qhov tseeb yog tias nws muaj kev txuag kom muaj nuj nqis. Piv txwv li, qhov sib npaug sib cais yeej ib txwm muaj tseeb, txij li lub ntsiab lus lawv yog ntawm daim ntawv: M(y) + N(t) = 0, yog li ϕ(t, y) = A(y) + B(t) yog a khaws cia kom muaj nuj nqis
Dab tsi yog ob lub ntsiab lus tseem ceeb rau kev sib npaug?
Cov Ntsiab Lus Tseem Ceeb Muaj ob yam xwm txheej uas yuav tsum tau ua kom tau raws li qhov khoom kom muaj kev sib npaug. Thawj qhov xwm txheej yog tias lub zog ntawm cov khoom yuav tsum yog xoom rau qhov khoom sib npaug. Yog hais tias lub zog net yog xoom, ces net force raws li ib qho kev taw qhia yog xoom
Dab tsi yog qhov sib txawv ntawm cov kab lus sib npaug thiab qhov sib npaug sib npaug?
Cov kab lus sib npaug muaj qhov muaj txiaj ntsig zoo ib yam tab sis tau nthuav tawm nyob rau hauv ib hom ntawv sib txawv uas siv cov khoom ntawm cov lej xws li ax + bx = (a + b) x yog cov kab lus sib npaug. nruj me ntsis, lawv tsis yog 'sib npaug', yog li peb yuav tsum siv 3 kab sib luag hauv 'sib npaug' es tsis yog 2 raws li qhia ntawm no