Video: Koj pom qhov piv ntawm daim duab li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Divine tag nrho tus naj npawb ntawm tag nrho daim ntawv los ntawm tus naj npawb ntawm ib kab lossis bar kom muab rau koj piv nyob rau hauv ib lub bar lossis kab kab kos. Piv txwv li, yog ib lub bar lossis kab sawv cev 5 hauv ib daim ntawv nrog tag nrho ntawm 30, koj yuav faib 30 los ntawm 5. Qhov no yuav ua rau koj tau txais txiaj ntsig ntawm 6. Yog li ntawd, piv ua 6:1.
Hauv qhov no, tus qauv rau qhov piv yog dab tsi?
Nrhiav qhov sib npaug piv , koj tuaj yeem muab faib lossis faib txhua lub sijhawm hauv lub piv los ntawm tib tus lej (tab sis tsis yog xoom). Piv txwv li, yog tias peb faib ob nqe lus hauv lub piv 3:6 los ntawm tus lej peb, ces peb tau qhov sib npaug piv , 1:2.
Kuj Paub, dab tsi yog qhov ratio graph? A piv yog kev sib piv ntawm ob tus lej. Siv qhov kev sib koom ua ke no peb tuaj yeem sib piv ob qhov txiaj ntsig sib txawv thiab tau txais daim duab ntawm kev sib piv. Yav dhau los, peb tau siv a piv rooj los tso saib qhov kev sib piv no. Tam sim no cia peb ua ib daim duab . Koj yuav muaj pes tsawg xees yog tias koj muaj 640 lub quarters?
Kuj tseem paub yog, daim ntawv qhia piv piv yog dab tsi?
Kev txhais ntawm daim duab ratio .:ib daim duab Kev ua haujlwm ntawm Cartesian kev tswj hwm qhov system uas cov ntsiab lus ntawm qhov nkhaus yog txiav txim siab los ntawm kev ntsuas lub sijhawm raws li qhov sib txawv ntawm ib tus axis thiab cov logarithms ntawm qhov tseem ceeb ntawm cov sib txawv nyob ntawm qhov sib txawv.
Yuav ua li cas koj pom qhov piv ntawm ib kab segment?
Kev faib tawm a kab ntu , AB, a piv a/b suav nrog kev faib cov kab ntu rau hauv a + b sib npaug thiab nrhiav ib qho point uas yog qhov sib npaug ntawm A thiab b sib npaug ntawm B. Thaum nrhiav a point, P, muab faib a kab ntu , AB, v piv a/b, peb ua ntej nrhiav a piv c = a / (a + b).
Pom zoo:
Yuav ua li cas koj pom qhov nruab nrab thiab nruab nrab ntawm daim duab peb sab?
Txhawm rau nrhiav qhov chaw nruab nrab ntawm daim duab peb sab, nws yog qhov yooj yim tshaj plaws los kos tag nrho peb qhov nruab nrab thiab nrhiav lawv qhov kev sib tshuam. Txhawm rau kos qhov nruab nrab ntawm daim duab peb sab, ua ntej nrhiav qhov nruab nrab ntawm ib sab ntawm daim duab peb sab. Kos ib kab ntu uas txuas qhov taw tes no mus rau qhov rov qab vertex
Yuav ua li cas koj pom qhov tas li ntawm proportionality hauv ib daim duab?
Txhawm rau pom koj qhov kev sib piv tsis tu ncua ntawm daim duab, ua raws li cov kauj ruam no: Nrhiav ob lub ntsiab lus yooj yim. Pib nrog tus taw tes laug kawg thiab suav pes tsawg squares koj yuav tsum tau nce mus rau koj qhov chaw thib ob. Suav pes tsawg squares koj yuav tsum mus rau sab xis. Simplify, thiab koj tau pom koj qhov tsis tu ncua ntawm proportionality
Vim li cas nws thiaj li hais tias lub Orthocenter ntawm daim duab peb sab obtuse yuav tsum nyob rau sab nraud ntawm daim duab peb sab?
Nws hloov tawm tias tag nrho peb qhov siab ib txwm sib tshuam ntawm tib lub ntsiab lus - lub npe hu ua orthocenter ntawm daim duab peb sab. Lub orthocenter tsis yog ib txwm nyob hauv daim duab peb sab. Yog tias daim duab peb sab yog obtuse, nws yuav nyob sab nraud. Txhawm rau ua kom qhov no tshwm sim cov kab qhov siab yuav tsum tau txuas ntxiv kom lawv hla
Koj pom qhov kev ncua deb ntawm ob lub ntsiab lus ntawm ib daim duab li cas?
Cov kauj ruam Siv cov kev sib koom ua ke ntawm ob lub ntsiab lus koj xav pom qhov kev ncua deb ntawm. Hu rau ib qho point Point 1(x1,y1) thiab ua rau lwm tus Point 2 (x2,y2). Paub tus qauv nyob deb. Nrhiav cov kab rov tav thiab ntsug nyob nruab nrab ntawm cov ntsiab lus. Square ob qhov nqi. Ntxiv cov nqi squared ua ke. Siv lub hauv paus square ntawm qhov sib npaug
Dab tsi yog qhov txawv ntawm lub xeev daim duab kos duab thiab daim duab ua haujlwm?
Lub xeev daim duab qauv yog siv los qhia qhov sib lawv liag ntawm lub xeev uas ib yam khoom mus dhau, qhov ua rau kev hloov ntawm ib lub xeev mus rau lwm qhov thiab qhov kev txiav txim uas tshwm sim los ntawm lub xeev hloov. Daim duab ua haujlwm yog ntws ntawm kev ua haujlwm yam tsis muaj qhov tshwm sim (kev tshwm sim) mechanism, lub xeev tshuab yog suav nrog lub xeev triggered