Video: Dab tsi yog cov cuab yeej inverse?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub hom phiaj ntawm inverse khoom ntawm kev sib npaug yog kom tau txais txiaj ntsig ntawm 1. Peb siv inverse zog daws qhov sib npaug. Inverse Property ntawm Ntxiv hais tias txhua tus lej ntxiv rau nws qhov kev tawm tsam yuav sib npaug zero. Inverse Property of Multiplication hais tias txhua tus lej sib npaug los ntawm nws qhov sib npaug yog sib npaug rau ib qho.
Ib yam li ntawd, koj tuaj yeem nug, qhov piv txwv ntawm cov cuab yeej hloov pauv yog dab tsi?
Cov inverse khoom ntawm kev sib faib hais tias qhov khoom ntawm ib tus lej thiab nws qhov kev sib raug zoo yog ib txwm 1. Txhawm rau nrhiav qhov sib npaug ntawm tus lej, qhia tus lej no ua ib feem thiab tig cov feem. Rau piv txwv , qhov sib txuam ntawm 4 yuav yog 14. Piv txwv 1 −7×−17=?
Ib yam li ntawd, dab tsi yog inverse khoom ntawm kev rho tawm? Plaub qhov kev ua lej tseem ceeb yog ntxiv, rho tawm , multiplication, division. Cov thim rov qab ntawm ntxiv yog rho tawm thiab vice versa. Cov thim rov qab kev sib faib yog division thiab vice versa.
Ib yam li ntawd, tib neeg nug, dab tsi yog qhov khoom siv rov qab ntxiv?
Txhais. Cov additive inverse ntawm tus lej yog qhov koj ntxiv rau tus lej los tsim cov lej ntawm xoom. Yog li ntawd nyob rau hauv lwm yam lus, lub additive inverse ntawm x yog lwm tus lej, y, tsuav yog cov lej ntawm x + y sib npaug zero. Cov additive inverse ntawm x yog sib npaug thiab opposite hauv kos npe rau nws (yog li, y = -x los yog vice versa).
Dab tsi yog qhov rov qab ntawm tus lej?
A tus lej tuaj yeem muaj ob qhov sib txawv. Ib thim rov qab yog cov additive thim rov qab , uas yog tus nqi uas thaum ntxiv nrog tus thawj tus lej yuav sib npaug zero. Lwm tus inverse ntawm tus lej yog tus multipplication thim rov qab , los yog kev sib raug zoo. Thaum ib tug reciprocal yog multiplied los ntawm tus thawj tus lej , cov khoom yog ib txwm 1.
Pom zoo:
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