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Video: Yuav ua li cas koj hloov cov units me mus rau cov units loj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hloov cov units me mus rau cov units loj
unit loj . Rau hloov los ntawm a unit loj rau a me me ib, multip. Rau hloov los ntawm a chav tsev me me rau a loj dua ib,div
Ib sab ntawm qhov no, qhov haujlwm twg tsim nyog los hloov lub tsev me me mus rau chav loj dua?
Koj tuaj yeem siv cov txheej txheem zoo sib xws thaum hloov dua siab tshiab los ntawm me me rau loj units . Thaum twg hloov dua siab tshiab a unit loj rau a me me ib, koj multiply; thaum koj hloov ib chav me me mus rau qhov loj dua ib, you div. Ntawm no yog ib qho piv txwv.
Tom qab ntawd, lo lus nug yog, metric system ntawm kev ntsuas yog dab tsi? Cov metric system yog lwm txoj kev kev ntsuas qhov system siv nyob rau hauv ntau lub teb chaws, thiab nyob rau hauv lub tebchaws United States. Cov metric system yog raws li kev koom nrog ib qho ntawm cov npe ua ntej, suav nrog kilo-, hecto-, deka-, deci-, centi-, thiab milli-, nrog lub hauv paus chav ntsuas ntsuas , xws li ' meter ', litre, lossis gram.
Ib yam li ntawd ib tug yuav nug, dab tsi yog qhov txawv ntawm kev hloov dua siab tshiab ntawm units?
(2) Cia peb hloov 2.8kg rau grams. kilogram yog lub tsev loj dua li cov gram, yog li kom hloov chav tsev loj rau ib chav tsev me me, peb muab faib los ntawm qhov zoo. 1kg = 1000g, peb muab 1000.
| Ntau | ntev |
|---|---|
| Lub npe unit | millimeter centimeter mus kilometer |
| Cim | mm cm wb |
| Tus nqi | 10mm = 1cm 100cm = 1m 1000m = 1km |
Dab tsi yog qhov tseem ceeb ntawm kev hloov pauv ntawm units hauv kev ntsuas?
Hloov pauv nruab nrab units yog ib tseem ceeb kev txawj vim nyob rau hauv xyaum thaum lub sij hawm xyaum ua hauj lwm cov tub ntxhais kawm feem ntau ntsuas ntim hauv cm3 tab sis lawv thiaj li yuav tsum tau hloov nws v dm3 nyob rau hauv thiaj li yuav ua tau raws li qhov yuav tsum tau xam, piv txwv li, concentration. Cov tub ntxhais kawm xav tau ntau yam kev xyaum hauv converting units.
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