Formula rau sab sauv thiab qis qis?

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Formula rau sab sauv thiab qis qis?
Formula rau sab sauv thiab qis qis?

Video: Formula rau sab sauv thiab qis qis?

Video: Formula rau sab sauv thiab qis qis?
Video: zoo xyooj : txhob quaj leej nus dai siab : nkauj tawm tshiab 2023 2024, Kaum ib hlis
Anonim

Ntxiv peb zaug tus qauv sib txawv rau qhov nruab nrab kom tau txais kev tswj hwm sab saud. Tshem tawm peb zaug ntawm tus qauv sib txawv ntawm qhov nruab nrab kom tau txais kev tswj qis dua.

Koj pom qhov txwv sab sauv thiab qis qis li cas?

Tshaj Tawm Qhov Tseeb: Ntxiv 5 rau qhov chaw lej rau sab xis ntawm tus lej kawg uas tshwm sim hauv tus nqi siab tshaj uas tau teev tseg los ntawm tus lej hauv chav kawm. Kev txwv qis dua: rho tus 5 mus rau tus lej lej mus rau sab xis ntawm tus lej kawg tshwm sim hauv tus nqi qis tshaj uas tau teev tseg los ntawm tus lej hauv chav kawm.

Yuav ua li cas yog tus qauv ntawm kev txwv siab tshaj?

Txoj kev txwv sab saud yog tus nqi siab tshaj plaws ntawm cov chav kawm ib ntus thiab qhov kev txwv sab saud yog tau los ntawm ntxiv 0.5 rau tus lej siab tshaj yog tus lej suav tias yog tus lej tag nrho lossis ntxiv 0.05 mus rau tus lej siab tshaj yog tus lej sawv cev ua lej.

Qhov txwv siab tshaj thiab qis dua?

Ob qhov ciam teb ntawm chav kawm yog hu ua qhov txwv qis thiab qhov txwv siab ntawm chav kawm. Qhov kev txwv qis dua ntawm ib chav kawm yog tus nqi hauv qab no uas tsis tuaj yeem muaj cov khoom hauv chav kawm. Qhov txwv sab sauv ntawm ib chav kawm yog tus nqi saum toj uas tsis tuaj yeem tsis muaj khoom rau hauv chav kawm ntawd.

Txoj kev txwv sab sauv thiab qis qis hauv chav kawm 9 yog dab tsi?

Nyob hauv txhua chav kawm no, tus lej tsawg kawg yog hu ua chav qis qis thiab tus lej loj tshaj yog hu ua cov chav kawm sab saud, piv txwv li, hauv 20-29, 20 yog qhov txwv qis dua ' thiab 29 yog 'cov chav kawm sab sauv'. Nco ntsoov tias peb tuaj yeem muaj cov chav kawm loj, peb tuaj yeem tsim cov chav kawm nrog qhov loj 20 lossis 25 lossis 30 thiab.

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