Video: Dab tsi yog qhov zoo tshaj plaws square?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Nco ntsoov tias qhov tseem ceeb 16 yog qhov loj tshaj plaws perfectsquare.
Ib yam li ntawd, koj tuaj yeem nug, pes tsawg tus square zoo meej?
Nco ntsoov, lub square ntawm a tus lej yog tias tus lej lub sij hawm nws tus kheej. Cov zoo tag nrho squares yog cov squares ntawm tag nrho tus lej : 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 … square keeb kwm ntawm tag nrho cov zoo tag nrho squares ntawm 1 mus rau 100.
Tsis tas li ntawd, thawj 20 squares zoo meej yog dab tsi? tus lej squared (1-20)
| Zoo meej Square | Teb |
|---|---|
| 17 kvu | 289 |
| 18 kvu | 324 |
| 19 kvu | 361 |
| 20 kvu | 400 |
Tom qab ntawd, lo lus nug yog, dab tsi yog txhais los ntawm lub square zoo meej?
Hauv lej, a square tus xov tooj los yog zoo meej square yog integer uas yog tus square ntawm ib tug integer; nyob rau hauv lwm yam lus, nws yog cov khoom ntawm ib co integer nrog nws tus kheej. Piv txwv li, 9 yog a square tus lej, vim nws tuaj yeem sau ua 3 × 3.
Vim li cas 28 yog tus lej zoo meej?
Tus lej zoo meej , ib tug zoo integer uas yog sib npaug rau cov sum ntawm nws zoo divisors. Qhov tsawg tshaj plaws tus lej zoo meej yog 6, uas yog tus lej ntawm 1, 2, thiab 3. Lwm yam tus lej zoo yog 28 Ib., 496, 8, 128.
Pom zoo:
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