Cov txheej txheem:

Cov cuab yeej square root yog dab tsi?
Cov cuab yeej square root yog dab tsi?

Video: Cov cuab yeej square root yog dab tsi?

Video: Cov cuab yeej square root yog dab tsi?
Video: Zeb Muas - Foom Kom txiv tej lus kub (Nkauj Tawm Tshiab 2021 - 2022) 2024, Kaum ib hlis
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Siv cov Square Root Khoom

Hauv cov lus, cov square root vaj tse hais tias yog peb muaj ib tug sib npaug nrog ib tug zoo meej square ntawm ib sab thiab tus lej ntawm lwm sab, ces peb tuaj yeem nqa tus square cag ntawm ob sab thiab ntxiv ib qho ntxiv lossis rho tawm rau sab nrog tus lej thiab daws qhov sib npaug.

Dhau li ntawm no, lub hauv paus ntsiab lus yog dab tsi?

Yeej, lub square root txoj cai hais tias yog x2 sib npaug qee tus lej, k, tom qab ntawd txhawm rau nrhiav cov kev daws teeb meem txhua yam peb yuav tsum ua yog coj tus square cag ntawm k. Yog vim li cas rau qhov ± yog qhov sib npaug uas muaj x2 yuav tsum muaj ob txoj kev daws teeb meem, yog li ob txoj kev daws teeb meem yog ± √k.

Tsis tas li ntawd, koj ntaus ntawv squared li cas? Txhawm rau ntaus a² cim hauv Android, ntaus 'a' thiab nias 2 ntev.

  1. Rau cov neeg siv Windows, Hauv Notepad, koj tuaj yeem ntaus Alt code rau a².
  2. Hauv Wordpad, koj tuaj yeem siv Superscript feature.

Tsuas yog li ntawd, koj siv cov hauv paus plaub hau li cas?

Txhawm rau pib nrhiav lub hauv paus square ntawm prime factorization, ua ntej, sim txo koj tus lej rau hauv nws cov xwm txheej zoo meej

  1. Cia peb siv ib qho piv txwv. Peb xav nrhiav lub hauv paus square ntawm 400 los ntawm tes. Txhawm rau pib, peb yuav faib tus lej mus rau qhov zoo tshaj plaws square yam.
  2. Peb yuav sau qhov no li: Sqrt(400) = Sqrt(25 × 16)

Dab tsi yog meant los ntawm zoo meej square?

Hauv lej, a square tus xov tooj los yog zoo meej square yog integer uas yog tus square ntawm tus lej; nyob rau hauv lwm yam lus, nws yog cov khoom ntawm ib co integer nrog nws tus kheej. Piv txwv li, 9 yog a square tus lej, vim nws tuaj yeem sau ua 3 × 3.

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