Kodi kusonkhanitsa chiwerengero cholondola ndi amene angakhale othandiza pa moyo ndi luso

Anthu ambiri amachita chidwi ndi mmene kusonkhanitsa manambala. Kufunika zambiri ikutuluka anthu amene asonyeza kuti miyoyo yawo ndi yowerengera kapena zochitika zina zimene zimafuna kuwerengetsera. Nazo akhoza ikuchitika kwa ochuluka monga khumi, ndi zina zotero. Ndipo tiyenera kudziwa momwe angachitire izo, kuti anapezazo zinali zochepa zolondola.

Ndipo kodi zambiri nambala wozungulira? Zimenezi itha 0 (kwakukulukulu). Tsiku ndi tsiku, luso kuwatchinjiriza manambala zosavuta kugula maulendo. Kuyima pa m'kaundula ndalama, mukhoza ziri amanena mtengo okwana zogula, yerekezerani zingati ndi kilogalamu wa katundu wa dzina chomwecho mu phukusi osiyana kulemera. Ndi manambala imene mawonekedwe yabwino, n'kosavuta kuti kuwerengetsera m'kamwa, popanda thandizo la Chiwerengero.

N'chifukwa chiyani anamaliza manambala?

Munthu manambala amamuchititsa kuti adzakhale milandu amenewa m'pofunika kuchita ntchito kwambiri chosavuta. Mwachitsanzo, vwende akulemera makilogalamu 3.150. Pamene anthu adzakuuzani anzawo za mmene magalamu a zipatso kum'mwera ambiri, sakhoza pochitika kwa conversationalist chidwi. Zinthu zambiri achidule anamva mawu monga "Ine ndagula trehkilogramovuyu vwende" osazindikira mu mitundu yonse ya osemphana ndi malekezero.

N'zochititsa chidwi kuti ngakhale mu sayansi palibe nthawizonse kuthana ndi manambala molondola kwambiri. Ndipo ngati tikukamba za osatha tuzigawo twa nthawi, amene ali fomu 3.33333333 ... 3, izo kumakhala kovuta. Choncho njira yabwino ndi kusakhulupirika nazo iwo. Monga ulamuliro, chifukwa ndiye molakwika pang'ono. Kotero, momwe kuwatchinjiriza manambala?

A malamulo ochepa zofunika kwa manambala nazo

Choncho, ngati mukufuna kuwatchinjiriza chiwerengero, ndikofunika kumvetsetsa mfundo za nazo? ntchito kumasintha mfundo decimal umalimbana kuchepetsa chiwerengero cha malo decimal. Kugwira ntchito imeneyi, malamulo ofunika muyenera kudziwa:

1. Ngati chiwerengero cha kumaliseche chifunirocho ndicho mu zosiyanasiyana 5-9, nazo imagwiridwa mu njira chachikulu.
2. Ngati chiwerengero cha kumaliseche chifunirocho ndicho mu zosiyanasiyana 1-4, nazo pansi.

Mwachitsanzo, tili ndi nambala 59. Tiyenera kuwatchinjiriza iwo. Kuti tichite zimenezi, tiyenera chiwerengero 9, ndipo kuwonjezera amodzi kwa iwo, kuti chasanduka 60. Ndilo yankho la funso mmene kuwatchinjiriza manambala. Ndipo tsopano tione milandu wapadera. Kwenikweni, tidadzatulukira momwe kuwatchinjiriza chiwerengero mpaka makumi ntchito chitsanzo ichi. Tsopano patsala yekha kugwiritsa ntchito chidziwitso ichi kuchita.

Kodi kusonkhanitsa angapo ku malo lonse

Nthawi zambiri zimachitika kuti pali kufunika kuwatchinjiriza Mwachitsanzo, nambala 5,9. njirayi si wovuta. Choyamba tiyenera kuchotsa koma ndi maso athu Umaoneka nazo bwino nambala 60. Tsopano, kuika koma mu malo, ndipo timalandira 6,0. Popeza ziro mu tuzigawo twa decimal, monga ulamuliro, zasiyidwa timapeza chifukwa cha nambala 6.

Ntchito yomweyo angathe kuchitidwa ndi manambala zovuta zambiri. Mwachitsanzo, mmene kuwatchinjiriza manambala monga 5,49 kuti monga mmene? Izi zidalira pa zimene Zolinga nokha. Ambiri, malinga ndi malamulo a masamu 5,49 - akadali palibe 5.5. Choncho, kusonkhanitsa mu njira zazikulu ndi zosatheka. Koma akhoza anamaliza pansi ndi 5.5, kenako amakhala kuzungulira mwalamulo 6. Koma tsenga izi sikuti ntchito, kotero muyenera kusamala kwambiri.

Kodi kusonkhanitsa kuchokera chiwerengero pambuyo mfundo decimal kwa chakhumi yapafupi?

Mfundo ife kale kale chitsanzo cha nambala yolondola nazo kwa chakhumi yapafupi, kotero tsopano m'pofunika kusonyeza zoyambirira zokha prinipe. Ndipotu, zonse ndi za njira yomweyo. Ngati chithunzi, amene ali pa udindo wachiwiri pambuyo mfundo decimal ndi mu osiyanasiyana 5-9, anthu ambiri kuchotsedwa, ndi kuyimilira kutsogolo chithunzi ukuwonjezeka lake ndi limodzi. Ngati ndi osachepera 5, chiwerengero ichi ndi kuchotsedwa, ndi iwowa yoyamba malo ake.

Mwachitsanzo, nazo wa 4,59 kwa 4.6 numeral "9" masamba, ndi chinawonjezeka ndi limodzi kapena asanu. Koma nazo 4,41 wagawo akugwa, ndipo zinayi anakhalabe mu mawonekedwe nezimennom.

Monga ogulitsa malonda ntchito kulephera msika misa manambala wozungulira?

Iwo likukhalira kuti anthu ambiri m'dzikoli alibe chizolowezi kuti aone phindu mankhwala amene amatenga masuku pamutu ogulitsa malonda. Aliyense akudziwa mawu magawo monga "Ugule 9,99 basi". Inde, ife bwino kuti zimenezi si zoona madola khumi. Komabe, ubongo wathu lakonzedwa kuti kulandira kokha manambala yoyamba. Choncho ntchito yosavuta kubweretsa manambala mu mawonekedwe yabwino ayenera kukhala chizolowezi.

Nthawi zambiri anamaliza bwino ganizilani za kupambana wogwirizira, m'kukoma mawonekedwe lapadera. Mwachitsanzo, munthuyo mumapezera $ 550 pamwezi. The optimist adzanena kuti pafupifupi 600 pessimist - ndi pang'ono kuposa 500. Zikuoneka kuti pali kusiyana, koma ubongo okoma "kuona" kuti chinthu anafika chinachake zambiri (kapena mosinthanitsa).

Munthu angathe tchulani zitsanzo zambiri pamene luso kuwatchinjiriza ndi amazipanga zothandiza. Nkofunika zinthu ndipo ngati ndi kotheka kuti yodzaza ndi nkhani zosafunika. Ndiye kupambana adzakhala yomweyo.