Feem ntau cov khoom hauv tsev xws li rooj, chav, qhov rais thav duab, cov ntxaij vab tshaus TV, thiab lwm yam. yuav ntsuas hauv meters. Kilometers yog siv los ntsuas qhov deb. Yog tias koj tab tom nrhiav kom paub qhov ntev ntawm txoj kev, qhov deb ntawm ob qhov chaw, thiab lwm yam, koj yuav siv kilometers.
Koj ntsuas qhov twg siv KM?
Kilometer yog ib chav siv los ntsuas qhov ntev lossis nrug. Nws yog ib chav tsev siv nyob rau hauv metric system. Qhov kev ncua deb kuj tuaj yeem ntsuas hauv mais, uas tuaj yeem qhia tau raws li mais.
Rau qhov kev ncua deb uas koj xaiv los ntsuas hauv mais?
Ib millimeter yog sib npaug rau ib txhiab ntawm ib 'meter'. Yog li yog peb xav ntsuas loj nrug, piv txwv li qhov kev ncua deb ntawm ob lub nroog, peb yuav tsum siv mais thiab yog tias peb xav ntsuas qhov deb tiag tiag, piv txwv li qhov ntev lossis txoj kab uas hla ntsia hlau, peb yuav tsum siv millimeters.
Is km a SI unit?
Piv txwv li, tus ' meter ', kilometer, centimeter, nanometer, thiab lwm yam yog tag nrho SI units ntawm qhov ntev, txawm tias tsuas yog lub ' meter ' yog ib coherent SI unit.
Yuav ua li cas yog qhov kev hloov pauv yog qhov nrug nrog?
Kev txav chaw deb yog ua ke nrog. tag nrho lub sijhawm . Average speed is the tag nrho nrug muab faib los ntawm tus. ceev.
