Nyob hauv lub neej txhua hnub, lo lus "quintal", "hectare", "pound" tsis yog siv. Tab sis qee zaum koj yuav tsum hloov qhov hnyav mus rau lwm qhov ntsuas los yog xam nws hauv lawv. Lub tswv yim yooj yim ntawm kev ua yuav pab.
Dab tsi yog centner
Lo lus no los ntawm lus German thiab txhais tau tias "ib puas ntsuas". Nws los ntawm Latin centum - ib puas. Tus qauv yog ib lub hnab ntawm qos yaj ywm, uas hnyav ib centner. Tab sis nws kuj txawv hauv ntau lub xeev ntawm lub teb chaws Yelemees:
- In Bavaria - 56 kilograms.
- In Saxony - 51.4 kg.
- In Braunschweig - 46.77 kilograms.
Tom qab hauv lub tebchaws no lawv tau txais tus nqi nruab nrab ntawm ib centner, 50 kilograms.
Thaum kev lag luam pib txhim kho, tshwj xeeb tshaj yog los ntawm hiav txwv, nws tau los ua qhov tsim nyog los coj txhua qhov kev ntsuas qhov hnyav hauv ntau lub teb chaws mus rau ib qho system. Txhawm rau ua qhov no, muaj cov lus hloov pauv ntawm ib qhov ntev mus rau lwm qhov.
- Metric lossis ob centner yog 100 phaus, xws li hauv Austria, Spain, Fabkis thiab Portugal. Nws yuav muab 100 kilograms.
- Nyob rau hauv Russia, ib centner yog sib npaug rau 100 kilograms. Nov yog ib feem kaum ntawm ib tuj.
- Ib centner hauv Askiv, Lub Tebchaws Yelemees, Switzerland, Hungary thiab Denmark yog sib npaug li 50 kilograms. Nov yog ib qho chaw zoo tib yam.
Nyob rau hauv lub metric system, qhov twg tus qauv ntsuas qhov ntev yog' meter ', qhov hnyav ntawm ib lab ntawm ib lub cubic meter dej (grams) raug coj los ua tus qauv ntsuas qhov hnyav. Ib qho piv txwv ntawm 1000 grams yog hu ua ib kilogram, tshwj xeeb cam khwb cia los ntawm iridium thiab platinum thiab khaws cia hauv Paris. Thiab nyob rau hauv 1885, kaum xya lub teb chaws tau tsim lub International Bureau of Weights and Measures.
Cov kev ntsuas hauv qab no tau ua hauv SI system:
- Ib centner yog ib puas kilograms.
- Ib kilogram yog ib txhiab grams.
- Ib ton yog ib txhiab kilograms.
Yuav ua li cas hloov qhov hnyav hauv centners rau kilograms
Hloov cov centners rau kilograms, tus nqi ntawm ib yam dab tsi hauv centners yuav tsum muab sib npaug ntawm ib puas. Qhov no zoo li yooj yim yog tias tus naj npawb ntawm cov centners yog tus lej. Thiab yog tsis yog?
Examples:
- 1 q=1 x 100 kg=100 kg.
- 1, 3 c=1, 3 x 100 kg=130 kg.
- 0, 4 q=0. 4 x 100 kg=40 kg.
Rau qhov yooj yim, koj tuaj yeem xaiv ib lub centner cais, tom qab ntawd cov qauv hloov pauv los ntawm ib nrab mus rau kilograms yuav zoo li no:
A c=A x 1 c=A x 100 kg,
Qhov twg A yog tus lej (tag nrho lossis feem feem, lej lossis tsis).
Ntau npaum li cas hauv 1 ton
- Centners – 10.
- Kilograms - 1000.
- Grams - 1000000.
Lo lus "ton" hauv Latin txhais tau tias lub thoob. Ib yam li nrog lub centner, cov tons tau txawv. Tab sis nyob rau hauv SI system, nws yog assumed tias muaj 10 centners nyob rau hauv ib tuj.
Yuav hloov centners rau tons, faib tus nqi ntawm ib yam hauv centners los ntawm kaum.
Examples:
- 1 c=1 / 10=0, 1 t.
- 1, 3q=1, 3 / 10=0, 13 t.
- 0, 4c=0.4 / 10=0.04 t.
Kev hloov pauv mis los ntawm centner rau tons:
A c=A x 0, 1 t=A / 10 t,
Qhov twg yog tus lej.
How to convert to centners
Kilograms, grams thiab tons raug hloov mus rau centners.
1. Kilograms: Hloov cov kilograms mus rau centners, faib tus nqi ntawm ib yam hauv kilograms los ntawm ib puas.
Examples:
- 10 kg=10 / 100 q=0, 1 q.
- 100 kg=100 / 100 q=1 q.
- 653 kg=653 / 100 q=6.53 q.
- 1 kg=1 / 100 q=0.01 q.
- 1.3 kg=1.3 / 100 q=0.013 q.
- 0.4 kg=0.4 / 100 q=0.004 q.
Kev hloov pauv mis los ntawm kilograms mus rau centners:
A kg=A / 0.01 c=A / 100 c.
2. Grams: Hloov cov grams rau centners, faib tus nqi ntawm ib puas grams ntawm ib puas txhiab.
Examples:
- 10 grams=10 / 100,000 q=0.00001 q.
- 100g=100 / 100,000 q=0.0001 q.
- 653g=653 / 100,000 q=0.000653 q.
- 1 gram=1 / 100,000 q=0.000001 q.
- 1, 3 grams=1.3 / 100,000 q=0.0000013 q.
- 0, 4 grams=0.4 / 100,000 q=0.0000004 q.
Kev hloov pauv mis los ntawm grams rau centners:
A g=A x 0, 00001 c=A / 100,000 c
3. Tons: Txhawm rau hloov tons rau centners, muab cov nqi ntawm ib yam hauv tons los ntawm kaum.
Examples:
- 10 t=10 x 10 q=100 q.
- 100 t=100 x 10 c=1000c.
- 653 t=653 x 10 q=6530 q.
- 1 t=1 x 10 q=10 q.
- 1, 3 t=1, 3 x 10 q=130 q.
- 0, 4 t=0, 4 x 10 q=4 q.
Kev hloov pauv mis los ntawm tons rau centners:
A t=A x 10 c.
Cov lus qhia rau hloov qhov hnyav ntsuas
Rau qhov yooj yim ntawm kev suav, cov cai txhais lus tuaj yeem muab sau tseg rau hauv ib lub rooj.
| yuav txhais li cas | rau grams | rau kilos | in centners | to ton |
| grams | - | / 1,000 | / 100,000 | / 1,000,000 |
| kilograms | x 1,000 | - | / 100 | / 1,000 |
| cwt | x 100,000 | x 100 | - | / 100 |
| tons | x 1,000,000 | x 1000 | x10 | - |
Yuav siv lub rooj:
Hauv kab kawg ntawm sab laug, peb nrhiav qhov ntsuas qhov hnyav uas yuav tsum tau hloov mus rau lwm qhov. Cov kab saum toj kawg nkaus muaj cov npe ntawm kab. Nov yog qhov qhia tau tias peb txhais li cas.
Examples:
1. Muab 15.6 xees. Peb yuav tsum hloov qhov hnyav no rau hauv kilograms.
Kev txiav txim siab: Peb txhais "quintals" nyob rau hauv kab laug sab, nyob rau hauv kab saum toj kawg nkaus peb saib seb yuav tsum tau hloov mus rau hauv "hauv kilograms", peb pom ntawm qhov kev sib tshuam - peb yuav tsum muab ntau los ntawm ib puas. Yog li ntawd: 15.6 x 100=1560. Txij li thaum peb hloov mus rau kilograms, peb muab "kg"
2. Muab 450 grams. Yuav tsum hloov mus rau tons.
Kev txiav txim siab: Txiav txim siab qhov hnyav hauv ib qho kev ntsuas - grams. Nrhiav hauvntawm cov kab saum toj kawg nkaus, qhov kev ntsuas uas yuav tsum tau txhais - "hauv tons", ntawm qhov kev sib tshuam peb pom: nws yuav tsum tau faib los ntawm ib lab. Yog li ntawd: 450 / 1,000,000=0.00045 t
3. Muab 14.25 kg. Nws yog tsim nyog los hloov mus rau centners thiab tons.
Kev daws: Peb tab tom nrhiav qhov uas tau muab rau hauv kab laug sab - "kilograms". Tom qab ntawd hauv kab saum toj peb pom "hauv centners", ntawm kev sib tshuam peb pom dab tsi yuav tsum tau muab faib los ntawm ib puas. Yog li ntawd: 14.25 / 100=0.1425 c. Ib yam li peb pom "hauv tons" - peb pom dab tsi yuav tsum tau muab faib los ntawm ib txhiab. Yog li ntawd: 14.25 / 1000=0.01425 t.
Yuav kom tsis txhob sib tov cov kab, piv txwv li, tsis txhob hloov tons rau grams, koj yuav tsum pib ntawm kab laug sab. Tom qab ntawd xyuam xim rau cov kab saum toj kawg nkaus. Nws tsis yog coincidence tias muaj ib tug preposition "hauv". Qhov no yuav pab koj xaiv.
txhais ua ib qho ntsuas
Qee zaum koj yuav tsum ntxiv, rho tawm, sib piv cov khoom uas qhia los ntawm qhov sib txawv ntawm qhov hnyav. Hauv qhov no, lawv raug txo mus rau ib qho kev ntsuas.
Examples:
1. Muab: Sib piv ib lub quarter centner thiab ib lub quarter ton.
Kev daws: ua ntej peb nqa txhua yam rau ib qho kev ntsuas. Piv txwv li, rau centners. Peb yuav tsum hloov ib lub quarter ntawm ib tuj rau hauv lawv. Hauv kab "tons" peb tab tom nrhiav kev sib tshuam nrog kem "hauv centners", peb pom tias peb yuav tsum tau muab faib ua kaum. 1/4 t x 10=27.5 c. Sib piv: 1/4 ts thiab 1/4 t=¼ ts thiab 27.5 ts=0.25 ts thiab 27.5 ts. Nws paub meej tias tus nqi thib ob yog ntau dua.
Nrog kev xyaum me ntsis, koj tuaj yeem kawm tau sai sai txhais ib qho kev ntsuas qhov hnyav rau lwm qhov. Tab sis koj tseem yuav tau kawm pes tsawg grams, kilograms, centners hauv ib tuj. Thiab nco ntsoov tias ib centner yog ib puas kilograms.
