Cov thav ntawv rau cov duab tha xim thiab duab los ntawm cov khw muag khoom thiab cov khw txiav muag zoo nkauj tab sis kim. Nyob rau tib lub sijhawm, hauv txhua chav tsev muaj cardboard, uas yog qhov ntxim nyiam pov pov tseg, thiab tsis muaj chaw khaws khoom. Lub thawv ntawv muaj zog txaus tuaj yeem ua lub ntsej muag hloov rau cov ntawv yuav khoom, yog nws muaj qauv zoo nkauj.
Nws yog qhov tsim nyog
- Duab Los Qhuab Qhia;
- Txiab;
- Xim Xaus;
- Tus Kav;
- Cov kua nplaum;
- Mem hluav.
Cov Lus Qhia
Kauj ruam 1
Ntsuas cov xim lossis cov duab koj xav thav duab. Sau qhov ntev. Pom kev ncaj ncees seb nws puas loj los yog me: qhov dav ntawm nqaim me me yuav nyob ntawm qhov loj ntawm daim duab, rau ib qho loj - ib qho dav.
Kauj ruam 2
Kos ob daim trapezoids: qhov ntev ntawm qhov me me ntawm cov kab npoo ob sab yog me ntsis tsawg dua li qhov ntev ntawm cov xim, qhov kev ncua deb ntawm cov npoo ob tog yuav muab sib npaug nrog qhov dav ntawm cov ncej. Cov ces kaum yog 135 ° thiab 45 ° thiab yog zoo ib yam.
Kauj ruam 3
Kos ob lub sib piv zoo sib xws, qhov ntev ntawm cov kab me yuav me dua li qhov dav ntawm daim duab. Txiav txiav.
Kauj ruam 4
Muab cov ntawv trapezoid tso rau hauv cov duab plaub, ntsuas nws qhov loj (sab nraud) qhov dav thiab ntev. Kos duab plaub lub qhov loj me ntawm qhov tsim nyog ntawm daim duab los qhia.
Kauj ruam 5
Lo nplaum peb lub kab xo tawm ntawm plaub ncig ntawm qhov nrug (txog rau theem nrab lossis me ntsis sab saud). Muab cov kua nplaum saum lossis ib sab raws ntug xwb kom daim duab tuaj yeem hla nws. Kuaj tam sim tom qab cov nplaum tsim kom qhuav.
Kauj Ruam 6
Xim nyob rau hauv lub thav duab, nyiam dua hauv cov xim muag muag, sib raug zoo nrog cov ntau ntawm carina.
