Nā helu helu ma ka makemakika: he aha ia

Ma kēia hoʻolaha, e noʻonoʻo mākou i ke ʻano o nā huahelu o nā helu, a hāʻawi i nā laʻana no ka hoʻomaopopo maikaʻi ʻana i ka mea manaʻo.

maʻiʻo

Wehewehe kūlana

E like me kā mākou ʻike, aia nā helu āpau, he ʻumi wale nō: 0, 1, 2, 3, 4, 5, 6, 7, 8 a me 9.

Hoʻokuʻiʻia – ʻo ia kahi / kūlana a ka huahelu e noho ai ma ka helu.

Helu ʻia ke kūlana mai ka hopena o ka helu a i kona hoʻomaka. A ma muli o ka wahi i noho ʻia, hiki i ke kiʻi ke ʻano ʻokoʻa.

Hoʻonohonoho ʻia nā huahelu ma kēia ʻano (ma ke ʻano piʻi: mai ka muli loa a hiki i ka mua, ʻo ia hoʻi, mai ka ʻākau a i ka hema):

  • nā ʻāpana;
  • keiki;
  • haneli;
  • tausani, etc.

ano he kumu hoʻohālike

No ka laʻana, e nānā pono kākou i ka helu 5672 (heluhelu e like me ʻelima tausani ʻeono haneri me kanahikukumamālua), a i ʻole, hoʻokaʻawale mākou iā ia i mau huahelu.

Nā helu helu ma ka makemakika: he aha ia

  • ʻo ka helu 2 ma kahi hope ʻelua ʻāpana.
  • 7 ehiku umi;
  • 6 – ʻeono haneli.
  • 5 - ʻelima tausani.

ʻO kēlā mau. Hiki ke hoʻokaʻawale ʻia ka helu 5672 i mau huahelu penei:

5 ⋅ 1000 + 6 ⋅ 100 + 7 ⋅ 10 + 2 = 5762.

Notes:

  1. Aia kekahi mau huahelu ʻaʻole i loaʻa kekahi ʻano huahelu, e like me ka mea i ʻike ʻia e ka helu ʻaʻole ma kona wahi. No ka laʻana, ʻo ka hoʻonohonoho ʻana i nā huahelu o ka helu 10450 e like me kēia:

    10 ⋅ 10000 + 0 ⋅ 1000 + 4 ⋅ 100 + 5 ⋅ 10 + 0 = 10450.

  2. Ua like nā ʻāpana he ʻumi o kēlā me kēia ʻāpana me hoʻokahi ʻāpana o ka ʻāpana aʻe, kiʻekiʻe. ʻo kahi laʻana:
    • 10 poʻe = 1 ʻumi;
    • 10 umi = 10 haneri;
    • 10 haneli = 1 tausani, etc.
  3. Ma ka noʻonoʻo ʻana i ka helu ma luna, ua ʻike ʻia ua piʻi ka waiwai o ka huahelu ma kēlā me kēia huahelu e hiki mai ana (kahiko) i nā manawa he 10, ʻo ia hoʻi he 10 mau manawa ka liʻiliʻi ma mua o ka ʻumi, ʻo ka ʻumi he 10 ka liʻiliʻi ma mua o ka haneli, a pēlā aku. ma.

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