Koj puas muab squared rau thaj chaw saum npoo?

Cov txheej txheem:

Koj puas muab squared rau thaj chaw saum npoo?
Koj puas muab squared rau thaj chaw saum npoo?

Video: Koj puas muab squared rau thaj chaw saum npoo?

Video: Koj puas muab squared rau thaj chaw saum npoo?
Video: Yasmi - Hlub Los Ntev (Official Music Video) 2024, Kaum ib hlis
Anonim

Saib Tawm: thaj chaw saum npoo tsuas yog ob sab thiab qhia tias units squared, tsis yog units cubed. Qhov no yog vim peb tsuas yog cuam tshuam nrog cov chaw tiaj tus, tsis yog qhov chaw sab hauv.

Koj puas ntxiv squared rau thaj tsam?

Rau ib lub square koj tsuas yog yuav tsum nrhiav qhov ntev ntawm ib sab (raws li txhua sab yog qhov ntev tib yam) thiab tom qab ntawd multiply qhov no los ntawm nws tus kheej mus nrhiav thaj chaw. Qhov no yog tib yam hais tias length2 los yog ntev squared. … Kev daws 1 thiab 2 xav kom koj ua ob daim duab thiab ntxiv lawv thaj chaw ua ke kom pom tag nrho cheeb tsam.

Tus lej twg koj muab rau thaj chaw saum npoo?

Ntog cheeb tsam yog qhov suav ntawm thaj chaw ntawm txhua lub ntsej muag (lossis nto) ntawm 3D duab. Ib lub cuboid muaj 6 lub ntsej muag. Txhawm rau nrhiav thaj chaw saum npoo ntawm lub cuboid, ntxiv cov cheeb tsam ntawm tag nrho 6 lub ntsej muag. Peb tseem tuaj yeem sau qhov ntev (l), dav (w), thiab qhov siab (h) ntawm lub prism thiab siv tus qauv, SA=2lw + 2lh + 2hw, txhawm rau nrhiav qhov chaw thaj chaw.

Puas yog thaj chaw saum npoo squared lossis cubic?

Cov lus teb:

Piav: thaj chaw saum npoo ntawm cube yog ib qho kev ntsuas ntawm tag nrho cov cheeb tsam ntawm tag nrho cov sab ntawm lub voos xwmfab. Txij li thaum lub voos xwmfab muaj cov square sab, thaj chaw saum npoo yog lub sij hawm thaj tsam ntawm ib sab square. Thaj tsam ntawm ib sab square yog sidelength sidelength, los yog qhov no.

thaj chaw tag nrho yog dab tsi?

Tag nrho thaj chaw ntawm cov khoom yog qhov sib npaug ntawm thaj chaw ntawm txhua lub ntsej muag lossis qhov chaw uas kaw cov khoom Lub ntsej muag suav nrog cov saum thiab hauv qab (hauv paus) thiab qhov seem seem. … Cov sum ntawm cov cheeb tsam ntawm daim duab plaub thiab ob lub voj voog yog tag nrho cov cheeb tsam.

Pom zoo: