Ib qho piv txwv ntawm commutative khoom yog dab tsi?

Cov txheej txheem:

Ib qho piv txwv ntawm commutative khoom yog dab tsi?
Ib qho piv txwv ntawm commutative khoom yog dab tsi?

Video: Ib qho piv txwv ntawm commutative khoom yog dab tsi?

Video: Ib qho piv txwv ntawm commutative khoom yog dab tsi?
Video: Lus piv txwv ntawm ib tug ntseeg 2024, Hlis ntuj nqeg
Anonim

Cov cuab yeej sib txuas nrog kev ua lej lej ntawm kev sib ntxiv thiab sib npaug. Nws txhais tau hais tias hloov qhov kev txiav txim los yog txoj hauj lwm ntawm cov zauv thaum ntxiv los yog muab faib lawv tsis hloov qhov kawg tshwm sim. Piv txwv li, 4 + 5 muab 9, thiab 5 + 4 kuj muab 9.

Ib qho piv txwv ntawm cov cuab yeej sib txuas hauv lej yog dab tsi?

Cov cuab yeej sib txuas ntxiv: Hloov qhov kev txiav txim ntawm cov khoom ntxiv tsis hloov cov lej. Piv txwv li, 4 + 2=2 + 4 4 + 2=2 + 4 4 + 2=2 + 44, plus, 2, equals, 2, plus, 4. Associative property of plus: Hloov cov pab pawg ntawm addends tsis hloov. cov sum.

Ib qho piv txwv ntawm commutative khoom ntawm kev sib npaug yog dab tsi?

Cov cuab yeej cuab tam ntawm kev sib faib: Hloov qhov kev txiav txim ntawm yam tsis hloov cov khoom. Piv txwv li, 4 × 3=3 × 4 4 × 3=3 × 3 × 4 4 × 3=3 × 44, x, 3, sib npaug, 3, xuaj, 4.

Yuav ua li cas yog cov cuab yeej sib txuas hauv lej?

Txoj cai no tsuas yog hais tias nrog qhov sib ntxiv thiab sib npaug ntawm tus lej, koj tuaj yeem hloov qhov kev txiav txim ntawm tus lej hauv qhov teeb meem thiab nws yuav tsis cuam tshuam cov lus teb. Kev rho tawm thiab faib tsis yog kev sib hloov.

piv txwv ntawm cov khoom tsis sib xws yog dab tsi?

Examples

Subtraction yog ib qho piv txwv uas koj paub, intuitively, tsis commutative. Tsis tas li ntawd, kev faib tawm, kev sib xyaw ntawm cov dej num thiab kev sib faib matrix yog ob qho piv txwv zoo uas tsis yog kev sib hloov..

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