Video: Mob Neeb - Yuav Nrhiav Kev Pab Li Cas? 2024, Kaum ib hlis
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kev qhia ntawm sab xis ntawm "=" kos npe yog sab xis ntawm kab zauv thiab cov lus qhia ntawm sab laug ntawm "=" yog sab laug ntawm kab zauv. x + 5 yog sab laug (LHS) thiab y + 8 yog sab xis (RHS).
Koj ua pov thawj li cas LHS thiab RHS?
Expert Answer:
Thaum daws cov lus nug uas peb yuav tsum ua pov thawj LHS=RHS, peb tsis tuaj yeem ua haujlwm ob tog ib txhij, vim qhov ntawd yog qhov peb yuav tsum tau ua pov thawj.
Example: To prove (a - b)2=a2 - 2ab + b2
Peb thawj zaug yuav tsum coj LHS thiab ua pov thawj nws sib npaug rau RHS lossis coj RHS thiab ua pov thawj nws sib npaug LHS.
LHS sib npaug rau RHS yog dab tsi?
Ib qho kev sib npaug muaj qhov sib npaug (=) ntawm nws ob sab. Qhov sib npaug hais tias tus nqi ntawm sab laug tes (LHS) yog sib npaug rau tus nqi ntawm sab xis (RHS).
LHS puas ib txwm sib npaug rau RHS?
In an equation LHS and RHS yeej ib txwm sib npaug.
Yog tias koj tus kws tshawb nrhiav nrhiav haujlwm ua haujlwm yav dhau los, tab sis zoo li tsis ua haujlwm, kwv yees li 9 zaug ntawm 10, qhov teeb meem yog lub roj teeb tsis muaj zog. Koj tuaj yeem cog lus tias lub roj teeb tseem zoo, tab sis nws tsis yog .
