Daim duab kos yog daim duab uas yog ib daim qauv tseeb ntawm qhov koj xav pleev xim ntawm koj tus easel. Kev kos duab yog qhov xav tau txhawm rau txhawm rau ntsuas qhov tseeb ntawm cov khoom, uas yooj yim dua los ua qhov kev kos duab me me. Thaum kos duab kos duab, koj yuav tsum ua raws li txoj cai yooj yim ntawm nws kev tsim kho.
Nws yog qhov tsim nyog
- - xaum;
- - Cov lwv;
- - Ntawv.
Cov Lus Qhia
Kauj ruam 1
Npaj ib co xaum xaim ua ntej. Koj cov xaum yuav tsum nco ntsoov muab txhua qib kom ntse dua. Tsis txhob siv cov khw muag ntse los ntse. Muab daim ntawv nplaum rau cov ntsiav tshuaj kom zom cov hmoov txhuas ntawm nws kom qhov haujlwm tsis nres thaum cov hlau lead tsis meej.
Kauj ruam 2
Pib xyum ua koj cov txuj ci ntawm cov khoom uas koj pom nyob ib puag ncig koj txhua hnub. Cov khoom hauv tsev yooj yim yooj yim thiab yog li yooj yim kos duab. Lawv ua raws li cov duab geometric: lub voos xwmfab, prism, cone, pyramid.
Kauj ruam 3
Txhawm rau kos lub thooj voos kheej kheej, pib los ntawm kev kos lub kab ntawm lub tog raj kheej. Hauv kev txuas nrog lub axis, cov ceg ntawm ovals yog cim. Kos lub taub loj diameters ntawm txoj cai ces kaum mus rau txoj kab ntawm lub tog raj kheej. Kev txiav txim siab qhov dav thiab ntev ntawm ob qho tib si hauv paus thiab kos voj voog nrog cov kab uas muaj kab. Tom ntej no, kos kab tangent rau lawv. Xyaum kos duab sawv ntsug thiab dag lub tog raj kheej.
Kauj ruam 4
Siv cov kab kev tsim kho thaum kos cov thooj voos kheej kheej. Lawv piav qhia kom meej cov nyob qib thiab qhov chaw ntawm cov khoom nyob hauv qhov chaw. Npog qee thaj tsam nrog qhov daug lawm, uas yuav qhia txog cov kev coj ntawm cov duab thiab ntim.
Kauj ruam 5
Tom ntej no, kawm kos duab prisms thiab pyramids. Ntawm ib daim ntawv, sau cov qauv ntawm daim duab thiab pib kos duab lub hauv paus ntawm prism. Txhawm rau ua qhov no, ua ntej kos lub voj voog ntawm cov txiaj ntsig tsim nyog hauv kev xav. Kos rau cov ces kaum ntawm hexagon rau nws. Kos duab prisms thiab pyramids hauv ntau txoj haujlwm los txhim kho koj cov txheej txheem teeb duab.
Kauj Ruam 6
Sim kos duab lub duab plaub. Txiav txim siab nws txoj haujlwm hauv qhov chaw. Kos rau hauv kev xam pom ntawm daim duab kab nrog kab ntawv txhua kab qhia hauv lub thawv (txhua sab). Ntxiv cov duab ntxoo thiab qib siab. Kos cov khoom no ntau zaus hauv ntau txoj haujlwm.
Kauj Ruam 7
Thawj kab hauv kab kos yuav tsum tsis txhob kos kom pom tseeb, vim tias koj yuav tau kho lossis rov ua qee yam. Qhov loj tshaj plaws yog tias koj daim duab kos muaj kiag li tag nrho cov ntsiab lus uas koj yuav hloov mus rau daim duab tseem ceeb. Tsis txhob xav tias koj yuav tom qab ntawd teeb duab nthuav dav ntawm cov duab hauv ib qho chaw, thiab lwm qhov hauv lwm qhov. Txhua yam yuav tsum tau qhia hauv cov duab kos ua ntej. Qhov no yuav ua kom yooj yim rau koj kom kos tau ntawm cov ntawv tseem ceeb ntawm koj cov xim.
Kauj ruam 8
Them sai rau lub teeb thiab duab ntxoov ntxoo. Koj yuav tsum xav txog kev ua si ntawm lub teeb thiab duab ntxoov ntxoo hauv teeb duab. Tsis txhob nias tus lej nyuaj ntawm tus xaum nyob hauv thaj chaw uas cov lus qhia tau pom zoo. Tshaj tawm lub ntsej muag tsaus ntawm cov ntawv kawm nrog lub siab tshaj qhov muag mem hluav. Siv koj cov ntiv tes los sib tov xaum ntawm cov kev hloov ntawm lub teeb thiab duab ntxoov ntxoo.
Kauj Ruam 9
Ua tib zoo saib xyuas koj txoj haujlwm thaum hais txog qhov khoom koj tab tom kos. Nws nyob ntawm seb hom duab, los ntawm lub kaum sab xis twg, koj xav tau. Kawm kom paub kos duab kos duab tsis yog yuav tsum muaj xaum qhuav nkaus xwb, tabsis kuj yuav pleev xim dab tsi. Koj daim duab kos yuav tsum tiav thiab ua duab.
