Cov txheej txheem:

Peb lub zog hauv lej yog dab tsi?
Peb lub zog hauv lej yog dab tsi?

Video: Peb lub zog hauv lej yog dab tsi?

Video: Peb lub zog hauv lej yog dab tsi?
Video: Koj Hais Dab Tsi?/Suabci Kwm & Ab Meej Ham/Official MV 2023 2024, Kaum ib hlis
Anonim

Paub cov khoom ntawm cov lej no yuav txhim kho koj txoj kev nkag siab thiab kev paub txog lej. Muaj plaub yam tseem ceeb ntawm tus lej: kev sib txuas lus , koom nrog , distributive, thiab tus kheej . Koj yuav tsum paub txog txhua yam ntawm no.

Kuj tseem paub yog, 4 yam ntawm lej yog dab tsi?

Muaj plaub yam kev ua lej uas suav nrog ntxiv. Cov khoom yog cov kev sib txuas lus , koom nrog , tus kheej thiab faib khoom.

Ib tug kuj yuav nug, dab tsi yog cov khoom ntawm lej thiab lawv txhais li cas? Cov khoom yog cov commutative, associative, yog leejtwg thiab distributive khoom . Kev sib txuas lus Khoom : Thaum ob tus lej ntxiv, cov lej yog tib yam tsis hais qhov kev txiav txim ntawm qhov ntxiv. Associative Khoom : Thaum peb lossis ntau tus lej raug ntxiv, cov lej yog tib yam tsis hais txog kev pab pawg ntawm cov khoom ntxiv.

Hauv qhov no, 5 lub zog ntawm lej yog dab tsi?

Commutative Property , Associative Khoom , Distributive Property, Cov khoom ntiag tug ntawm Multiplication, Thiab Cov khoom ntiag tug ntawm Ntxiv.

Koj txheeb xyuas cov cuab yeej hauv lej li cas?

Cia peb saib txhua yam khoom kom ntxaws, thiab siv nws rau kev qhia algebraic

  1. #1. Cov khoom sib txuas.
  2. ntxiv. 5a + 4 = 4 + 5a.
  3. #2. Associative khoom.
  4. ntxiv. (4x + 2x) + 7x = 4x + (2x + 7)
  5. kev sib npaug. 2x ib2(3y) = 3y(2x2)
  6. #3. Distributive khoom.
  7. #4. Cov khoom ntom ntom.
  8. Ntxiv. 5y + 0 = 5y.

Pom zoo: