Video: Dab tsi yog lub voos xwmfab hauv paus ntawm 40 hauv daim ntawv radical?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Qhov xwm txheej ntawm 40 uas peb tuaj yeem nqa tau kub root ntawm yog 8. Peb tuaj yeem sau 40 raws li (8) (5) thiab tom qab ntawd siv txoj cai khoom ntawm radicals cais tus lej 2. Peb tuaj yeem nqa kub root ntawm 8, uas yog 2, tab sis peb yuav tsum tau tawm hauv 5 hauv qab kub root.
Ntawm no, lub voos xwmfab ntawm 40 yog dab tsi?
Square, Lub voos xwmfab, Square Root thiab Cubic hauv paus rau cov lej suav nrog 0 - 100
| Number x | Square x2 | kub x3 |
|---|---|---|
| 39 | 1521 | 59319 |
| 40 | 1600 | 64000 |
| 41 | 1681 | 68921 |
| 42 | 1764 | 74088 |
Qhov thib ob, puas yog 40 square zoo meej? Tus lej yog a zoo meej square (los yog a square number) yog nws square hauv paus yog ib tug integer; uas yog hais, nws yog cov khoom ntawm ib tug integer nrog nws tus kheej. Ntawm no, cov square hauv paus 40 yog 6,325. Yog li ntawd, lub square hauv paus 40 tsis yog tus lej, thiab yog li ntawd 40 tsis yog a square tus lej.
Hais txog qhov no, qhov yooj yim version ntawm lub hauv paus square ntawm 40 yog dab tsi?
√ 40 tuaj yeem rov sau dua li √1 * 40 , √2 * 20, thiab lwm yam, thiab lwm yam, uas tau hais, koj yuav tsum tau ua kom yooj yim cov radical, thiab ua li ntawd los ntawm kev nrhiav cov square cag ntawm ib qho zoo meej square yam ntawm radical. 4 yog ib qho zoo meej square thiab yog ib yam ntawm 40.
Puas yog 40 rational lossis irrational?
Tus lej 40 yog a kev xav tooj yog 40 tuaj yeem nthuav tawm raws li qhov sib piv, xws li hauv RATIOal . Ib qho quotient yog qhov tshwm sim uas koj tau txais thaum koj faib ib tus lej los ntawm lwm tus lej. Rau 40 ua a kev xav tus lej, qhov quotient ntawm ob tus lej yuav tsum sib npaug 40.
Pom zoo:
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm lub voos xwmfab?
Rau qhov cubes me dua qhov no, thaj chaw saum npoo yog ntau dua piv rau qhov ntim ntau dua li nws nyob hauv qhov loj dua (qhov ntim ntau dua piv rau thaj chaw saum npoo). qhia meej meej tias raws li qhov loj ntawm ib yam khoom nce (tsis hloov pauv), qhov piv txwv no txo qis
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