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Muaj pes tsawg subsets hauv ib txheej?

Cov txheej txheem:

Muaj pes tsawg subsets hauv ib txheej?
Muaj pes tsawg subsets hauv ib txheej?

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Video: Muaj pes tsawg subsets hauv ib txheej?
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Tus tus lej ntawm cov subsets tuaj yeem suav los ntawm tus lej ntawm cov ntsiab lus hauv cov teeb. Yog li yog tias muaj 3 lub ntsiab lus zoo li hauv qhov no, muaj: 23=8 subsets. Nco ntsoov tias qhov khoob (lossis null) teeb thiab qhov teeb tsa nws tus kheej yog subsets.

Muaj pes tsawg subsets nyob rau hauv ib pawg ntawm 3 yam?

Yog li, los ntawm ib txheej ntawm peb lub ntsiab lus nws tuaj yeem tsim 8 sib txawv subsets.

Puas muaj pes tsawg subsets hauv ib txheej nrog 5 yam?

Lub teeb A muaj 5 yam. Tom qab ntawd, n=5. Hloov n=5. Yog li, cov teeb tsa A muaj 31 cov khoom tsim nyog.

Dab tsi yog subset ntawm A={1 2 3?

set 1, 2, 3 has 8 subsets. Thawj subset yuav yog tus null lossis khoob subset, uas tsis muaj tus lej: () Cov teeb tsa null yog…

Yuav ua li cas yog subsets ntawm 1 2 3 4?

Teb: Lub teeb {1, 2, 3, 4, 5} muaj 32 subsets thiab 31 subsets zoo.

Pom zoo: