Kodi kupeza buku la kyubu m'njira zosiyanasiyana

Ngati ife kulingalira midadada ana mwachizolowezi, ndi losavuta kumvetsa mmene kupeza buku la kyubu a. Mutayamba buku la kyubu wa muyeso kiyubiki buku Mwachitsanzo, pa decimeter kiyubiki, timayamba kumanga lalikulu kyubu wina. Lopinda woyamba lalikulu "pansi", monga 4x4, muyenera kuika 4 more "pansi" kwa m'mbali zonse kyubu wathu ali ofanana. Kuyanjana pakathi pa mbali zonse kyubu ndi - ndi ulamuliro waukulu, umene zikutsimikizira kuti patsogolo pathu ndi kyubu.

Pezani kukula kwa nkhope limodzi lalikulu mosavuta, ife angofunika kuchulukitsa m'lifupi ndi kutalika kwa m'munsi, ndicho, kuti amange m'mphepete pabwalopo. Popeza ife mizere ochepa - "mbewu" kapena kani, ankasinthana awo mu mzere ndi kuchuluka wofanana ndi m'mphepete mwa kyubu, ndi lalikulu chifukwa kachiwiri kuchulukitsa ndi kutalika kwa kyubu, ndiko, pa nsonga zake. Likukhalira, tsono tili kumanga nthiti mu mlingo wachitatu, mawu ena - mu kyubu a. Basi monga choncho, zikuoneka, kupeza buku la kyubu ndi!

Ndi pano ndipo amatenga dzina la pomanga mphamvu lachitatu - ". Mu kyubu ndi" Kuti ndi "kyubu" amamwa katatu kuti kuchulukitsa chiwerengero palokha - mawu yokha kale maziko ake kupeza njira yothetsera vuto buku kiyubiki.

Koma ngati kukula kwa m'mbali kyubu, ndiye mbali imodzi ya kyubu, ndi osadziwika, koma anapatsidwa kukula kwa mmodzi wa nkhope yake momwe kupeza buku la kyubu ndi? Kodi n'zotheka? Iwo likukhalira kuti computable ndithu.

Opendekera mbali ayenera kuwerengera malangizo a mtengo yomweyo nkhope ndi kuuika mu kyubu, ndiye mu digiri wachitatu. Kuti izo bwino, ife m'modzi wa nkhope kiyubiki - adzakhala lalikulu, mwachitsanzo, PMNK, kumene MN - opendekera, amene kudziwika kwa ife. Ntchito Pythagorean Lingaliro Lovomerezeka, vozvedom kudziwika mtengo diagonally mu lalikulu kapena mlingo wachiwiri. Mu kansalu bwino PMN MN mbali ndi hypotenuse, ndi lalikulu wake ndi wofanana Uwerenge mbali zina ziwiri anamangidwa pabwalopo.

Koma ife tikudziwa kuti miyendo - mbali ya nkhope lalikulu la kyubu lapansi. Choncho zotsatira ayenera kugawidwa awiri, ndi kupeza muzu lalikulu. chifukwa Izi kukhala wolingana ndi mbali - m'mbali mwa kyubu lapansi. Tsopano funso ndi mmene kuwerengera buku la kyubu ndi kuthetsedwa mu njira zosavuta. Chinachake basi chabe chilili mbali ya kyubu mu mlingo Chachitatu - ndipo zotsatira lodziwikiratu.

Nthawi zambiri zimachitika kuti vuto pali mtengo, monga dera wina wa nkhope ya kyubu lapansi. Pankhaniyi, choyamba muyenera kupeza mbali ya lalikulu - nkhope ya kyubu lapansi. Ndi zokwanira kupeza muzu lalikulu la m'dera anapatsidwa. Ndiye, mtengo masamu ndi kuchulukitsa ndi pafupi malo kudziwika.

Nthawi zina umafunika kudziwa mmene kupeza buku la kyubu ndi, koma palibe kukula, palibe nthiti, palibe malo kyubu dzanja. Komabe, ngati ntchito wapereka deta monga kachulukidwe ndi kulemera, lipoti akhoza kuwerengera ndi kuchulukitsa phindu deta: kachulukidwe ndi misa. Kufunafuna buku adzakhala zopezera mankhwala.

Ndipo ngati munthu lilibe miyezo iliyonse mmene Zitatero mu nkhani iyi? Zochita zambiri ntchito chosavuta phwando, monga kumiza thupi mu madzi. Ndiye kodi kupeza buku la kyubu wopanda miyeso tepi ndi olamulira?

Muyenera womwewo wina kuchuluka kwa madzi mu thanki Mwachitsanzo, mu poto, kudzaza kwa Mlomo ndi. Pamenepo adadzanso mphamvu kuika mu mbale wina. Kumizidwa ndi kyubu mu madzi, m'pofunika kuyesa kusonkhanitsa madzi onse kulowerera pa. Ndiye, kuyeza beaker kapena magombe ake (malingana ndi buku makhalidwe kyubu), mukhoza kupanga nkhani voliyumu ya kyubu ndi - zidzakhala ofanana ndi kuchuluka kwa madzimadzi kuti kyubu alowa m'malo mwa madzi ake.

Mwatsoka, n'zovuta kapena n'zosatheka kuyeza motere voliyumu ya cubes ndithu kukula. Koma popeza mungaphunzire osati buku la kyubu, koma zinthu za mawonekedwe aliwonse.

Pali mwayi wina chopeza buku la cubes. Mwachitsanzo, yodziwika kutalika kwa opendekera wa kyubu (osati m'mphepete!). Amadziwika kuti chilinganizo cha kyubu opendekera anasonyeza mankhwala a m'mbali ake ndi muzu lalikulu la 3. Choncho, gawani opendekera ndi muzu lalikulu la 3 ndi kupeza m'mphepete kutalika. Pambuyo pake, chirichonse lophweka: chilili chifukwa mu kyubu ndi kupeza yankho ankafuna.