Ahakoa me tau rerekē. Ko te ariā o tau-ira

Na, ka tīmata ahau toku kōrero ki tau ara. He aha tau e noa? katoa tetahi tau e taea te wehea ki rua kahore toenga, whakaaro te ara. I tua atu, ara tau mutu i roto i te kotahi o te maha o te mati o 0, 2, 4, 6 8 ranei.

Hei tauira: -24, 0, 6, 38 - katoa noa tau.

m = 2k - tuhituhi tātai whānui noa tau, kei hea k - ko te tau tōpū. hiahiatia ana tenei tātai kia ki whakaoti maha ngā raruraru ranei whārite i roto i te māka timatanga.

He ko tetahi ahua o tau i roto i te kingitanga nui nei o pāngarau - ko reira he tuhene. e kore e taea te wehea ki e rua, kahore toenga, a ka wehea ki toenga e rua ko tetahi i tetahi tau, ka karanga kehe. mutu Tetahi o ratou i roto i tetahi o enei tau: 1, 3, 5, 7 ranei 9.

Tauira tau rerekē 3, 1, 7, me te 35.

n = 2k + 1 - he tātai e taea te whakamahi ki te tuhi i tetahi tau rerekē, kei hea k - ko te tau tōpū.

Tāpiritanga me te tangohanga o tau rerekē, me te tae noa

I tua atu (tangohanga ranei) o ara, me te rerekē tau i etahi auautanga. aroaro matou ia ki te awhina o te tepu, i te mea i raro, i roto i te tikanga ki te hanga i taua mea māmā ki te mahino ka mahara te rauemi.

ka whakahaere Ahakoa me rerekē tau te ara ano ki te tango, kaua ki te whakarāpopoto ratou.

Whakarea o tau rerekē, me te tae noa

A, no te whakanuia ara me te tikanga tau kehe fakanatula. e mohio ana koe i roto i te mua ka whiwhi he rerekē te hua ranei noa. Ko te ripanga i raro whakaatu nga kōwhiringa taea katoa hoki te pai whakawhenumi o ngā mōhiohio.

whakaaro Na māngi tau ira.

momotuhi ira ngahuru o ngā tau

hautanga ā-ira - he tau ki tauraro 10, 100, 1000, me te pera i runga i, e kua oti te tuhituhi, kahore tauraro. wehea te wahi tau tōpū i ira ki te piko.

Hei tauira: 3.14; 5.1; 6.789 - katoa ira.

Ki te taea ira te mahi i ngā ngā mahi pāngarau pērā i whakarite, tua, tangohanga, te whakarea, me te wehenga.

Ki te hiahia koe ki te taumata i te hautau e rua, te tuatahi whakaōrite te maha o nga wahi ira, attributing ratou ki tetahi o nga ngā kore, a ka, i whiua e te piko, whakarite ratou kia rite ki tau tōpu. Fakakaukau angé ki tenei tauira. Rite 5.15 me 5.1. Hei timata taurite hautanga: 5.15 me 5.10. Na tuhituhi tatou ratou rite tau tōpū: 515 me 510, reira, he nui ake i te rua o te tau tuatahi, ka 5.15 He nui rawa te 5.1.

Ki te hiahia koe ki te haapoto i te hautau e rua, te whai i tenei tikanga ohie: timata ki te mutunga o nga hautau me te tāpiri ake i te tuatahi (hei tauira) he torutoru haurau, na te tekau, ka te katoa. Ki tenei ture, ka taea e koe ngāwari tango me te tini-ira.

Ko e hiahia ana koe ki te wehe i te hautanga rite te tokomaha katoa i te mutunga o te tatau te wahi i koe ki te hoatu i te piko. Ko te, te tuatahi wehe te wahi tōpū, a ka - te hautanga.

Just kia häunga-ira. Ki te mahi i tenei, tīpako ki te aha kāwai e hiahia ana koe ki te tawhio pere, a whakakapi i te maha e tika ana o ngā mati ki te ngā kore. Kia mahara, ki te ko te rere i muri o tenei ahua i roto i te whānuitanga o 5 ki te 9 urutomo, te mati whakamutunga, e tonu incremented. Ki te whai i tēnei ahua rere i roto i te whānui i te 1 ki te 4 urutomo, te whakamutunga e toe ana tonu.