Video: Dab tsi yog extracting lub hauv paus square?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Extracting cag koom nrog cais cov square thiab tom qab ntawd siv cov square cag property. Nco ntsoov suav nrog “±” thaum noj cov square cag ntawm ob sab. Tom qab siv lub squareroot cuab yeej, daws txhua qhov resultingequations.
Ua li no, ua li cas koj pom lub hauv paus square hauv lej?
- Piv txwv.
- Nrhiav cov hauv paus square ntawm cov lej uas tsis zoo tag nrho squares tsis muaj lub tshuab xam zauv.
- Piv txwv li: xam lub hauv paus square ntawm 10 () mus rau 2 decimalplaces.
- Nrhiav ob tus lej square zoo meej nws nyob nruab nrab ntawm.
- Faib 10 los ntawm 3.
- Qhov nruab nrab 3.33 thiab 3. (
- Rov ua kauj ruam 2: 10/3.1667 = 3.1579.
Ib sab saum toj, koj ua li cas yooj yim cov hauv paus plaub hau? Txoj Kev 1 Simplifying ib Square Root byFactoring
- Nkag siab txog factoring.
- Faib los ntawm tus lej tsawg tshaj plaws ua tau.
- Rewrite lub hauv paus square raws li ib tug multiplication teeb meem.
- Rov ua dua nrog ib tus lej ntxiv.
- Ua kom yooj yim los ntawm "rub tawm" tus lej.
- Muab cov lej ntau ua ke yog tias muaj ntau tshaj ib.
Kuj kom paub, koj ua li cas daws cov kab zauv sib npaug los ntawm kev noj cov hauv paus square?
Lub tswv yim tseem ceeb hauv Kev daws qhov sib npaug plaub npaug siv txoj kev Square hauv paus . Txoj hauv kev dav dav yog sau tag nrho cov lus {x^2} ntawm ib sab ntawm qhov kev sib npaug thaum khaws cov constants mus rau sab nraud. Tom qab ua li ntawd, cov kauj ruam tom ntej yog kom ua tiav cov hauv paus plaub hau ntawm ob sab mus rau daws rau tus nqi x.
Puas yog 7 muaj lub hauv paus square?
Lub rooj ntawm Squares thiab Square Roots
| NUMBER | SQUARE | SQUARE ROOJ |
|---|---|---|
| 6 | 36 | 2.449 |
| 7 | 49 | 2.646 |
| 8 | 64 | 2.828 |
| 9 | 81 | 3.000 |
Pom zoo:
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