Tus lej sib npaug ntawm 20 yog dab tsi?
Tus lej sib npaug ntawm 20 yog dab tsi?

Video: Tus lej sib npaug ntawm 20 yog dab tsi?

Video: Tus lej sib npaug ntawm 20 yog dab tsi?
Video: txhai npau suav coj mus yuav lej raug 100 % ( ວິທີແປຝັນໄປຊື້ຫວຍຖືກ 100 %) 2024, Kaum ib hlis
Anonim

Piv txwv qhov tseem ceeb

Feem pua Zauv Feem
20 % 0.2 1/5
25% 0.25 1/4
331/3% 0.333 1/3
50% 0.5 1/2

Ntxiv mus, tus lej zauv rau 120 yog dab tsi?

Kev piav qhia: Yog tias koj faib 1 txog 20, raws li qhia los ntawm feem, koj tau txais cov lus teb 0.05.

Ib qho ntxiv, 1/20 yog tus lej thiab feem pua yog dab tsi? 1 hauv 20 raws li feem feem ntau yog 1/20 . Qhia nws li a zauv feem faib 1 los ntawm 20 kom tau 0.05. Txhawm rau nthuav tawm zauv feem ntau muab 100 kom tau 5%.

Yog li ntawd, dab tsi yog 220 yog tus lej zauv?

Feem Zauv Feem pua
5/20 0.25 25%
4/20 0.2 20%
3/20 0.15 15%
2/20 0.1 10%

Dab tsi yog 20 ua ib feem?

Piv txwv qhov tseem ceeb

Feem pua Zauv Feem
10% 0.1 1/10
12½% 0.125 1/8
20% 0.2 1/5
25% 0.25 1/4

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