Qhov txawv ntawm chav tsev cubes thiab cubic units yog dab tsi?
Qhov txawv ntawm chav tsev cubes thiab cubic units yog dab tsi?

Video: Qhov txawv ntawm chav tsev cubes thiab cubic units yog dab tsi?

Video: Qhov txawv ntawm chav tsev cubes thiab cubic units yog dab tsi?
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Anonim

A kub nrog sab ntev 1 chav tsev , npe " unit kub ,” yog hais tias muaj “ib kub unit "ntawm ntim, thiab tuaj yeem siv los ntsuas qhov ntim. Daim duab khoom uas tuaj yeem ntim tau yam tsis muaj qhov khoob lossis sib tshooj siv ?? unit kub hais tias muaj ntim ntawm ?? kub units.

Raws li, cubic units yog dab tsi?

Hauv geometry, kub units tuaj yeem txhais raws li qhov units siv los ntsuas qhov ntim. Qhov ntim ntawm a chav tsev lub voos xwmfab uas nws qhov ntev, qhov dav thiab qhov siab yog 1 chav tsev cwb yog 1 kub unit . Qhov ntev, dav thiab qhov siab ntawm cov duab plaub tuaj yeem ntsuas tau los ntawm kev suav cov naj npawb ntawm chav tsev kub.

Ib yam li ntawd, thaum twg koj yuav siv lub ntsuas hluav taws xob? A kub nrog txhua sab ntsuas 1 chav tsev npe a unit kub . A unit kub muaj qhov ntim ntawm ib qho kub unit . A unit kub tuaj yeem yog siv rau ntsuas ntim. Rau ntsuas qhov ntim ntawm daim duab duab plaub, tsis muaj qhov khoob lossis sib tshooj ntim cov duab plaub nrog rau unit kub.

Ntawm no, qhov txawv ntawm square units thiab cubic units yog dab tsi?

Square ntsuas muaj sab uas yog txhua 1 chav tsev nyob rau hauv ntev. Volume yog ntsuas nyob rau hauv kub units xws li kub ntiv tes lub kub centimeters. Thaum ntsuas qhov ntim ntawm cov khoom sib npaug, koj ntsuas seb muaj pes tsawg lub cubes puv lub thawv.

Puas yog units cubes thiab ntim tib yam?

aA kub nrog sab ntev 1 chav tsev , npe " unit kub , " yog hais tias muaj "ib cubic chav tsev "ntawm ntim , thiab tuaj yeem siv los ntsuas ntim.

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