Dab tsi yog.7 rov ua dua ib feem?
Dab tsi yog.7 rov ua dua ib feem?

Video: Dab tsi yog.7 rov ua dua ib feem?

Video: Dab tsi yog.7 rov ua dua ib feem?
Video: yog hmoov dab tsi tub huas xyooj 2024, Kaum ib hlis
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Common Repeating Decimals thiab lawv cov feem sib npaug

Rov ua dua Decimal Sib npaug Fraction
0.4444 4/9
0.5555 5/9
0.7777 7/9
0.8888 8/9

Tib neeg kuj nug, dab tsi yog 0.7 Rov ua dua ib feem?

Common Repeating Decimals thiab lawv cov feem sib npaug

Rov ua dua Decimal Sib npaug Fraction
0.2222 2/9
0.4444 4/9
0.5555 5/9
0.7777 7/9

Ib tug kuj yuav nug, puas yog 0.7 Rov hais dua tus lej tsim nyog? Teb thiab piav qhia: Tus lej 0.7 yog a tus lej rational.

Tsuas yog li ntawd, dab tsi yog 0.07 raws li ib feem hauv daim ntawv yooj yim?

Decimal Ib feem Feem pua
0.1 10/100 10%
0.09 9/100 9%
0.08 8/100 8%
0.07 7/100 7%

Dab tsi yog 0.123 rov ua ib feem?

Peb xub cia 0.123 (123 rov ua dua) yog x. Vim yog x rov tshwm sim nyob rau hauv 3 qhov chaw decimal, peb muab nws los ntawm 1000. Tom ntej no, peb rho lawv. Thaum kawg, peb faib ob sab los ntawm 999 kom tau x raws li a feem.

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