Nws sawv cev rau Parentheses, Exponents, Multiplication/Division, Addition/Subtraction PEMDAS feem ntau nthuav mus rau mnemonic "Thov Excuse My Dear Aunt Sally" hauv tsev kawm ntawv. Canada thiab New Zealand siv BEDMAS, sawv rau Brackets, Exponents, Division/Multiplication, Addition/Subtraction.
Bedmas sawv rau dab tsi?
BEDMAS qhia peb tias brackets yog qhov tseem ceeb tshaj plaws, tom qab ntawv exponents, ces ob qho tib si faib thiab sib npaug, thiab thaum kawg ntxiv thiab rho tawm. Qhov no txhais tau tias peb ntsuas tus lej ua ntej peb muab faib ua ntej peb rho tawm, thiab lwm yam … Raws li BEDMAS, kev faib yog qhov tseem ceeb tshaj qhov sib ntxiv.
lub npe tag nrho ntawm M hauv Bedmas ?
BEDMAS ( Brackets Exponents Division Multiplication Addition And Subtraction)
Bodmas suav li cas?
Txoj cai BODMAS hais tias peb yuav tsum suav cov Brackets ua ntej (2 + 4=6) , ces Orders (52=25), tom qab ntawd ib qho kev faib los yog Kev Sib Tw (3 x 6 (cov lus teb rau cov brackets)=18), thiab thaum kawg ib qho Ntxiv lossis rho tawm (18 + 25=43). Cov menyuam yaus tuaj yeem tau txais cov lus teb tsis raug ntawm 35 los ntawm kev ua haujlwm ntawm sab laug mus rau sab xis.
Koj daws qhov kev txiav txim ntawm kev ua haujlwm li cas?
Qhov kev txiav txim ntawm kev ua haujlwm qhia peb qhov kev txiav txim los daws cov kauj ruam hauv cov lus uas muaj ntau tshaj ib qho haujlwm. Ua ntej, peb daws txhua yam haujlwm hauv lub voj voog lossis cov kab ke. Qhov thib ob, peb daws txhua qhov exponents. Thib peb, peb daws txhua qhov sib npaug thiab faib los ntawm sab laug mus rau sab xis.
