Video: Dab tsi yog ib nrab ntawm 11 thiab 3/4 ntawm daim kab xev ntsuas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ua ntej, koj tuaj yeem hloov pauv 11 3/4 mus rau ib feem yooj yim. Koj ua qhov no los ntawm kev sib npaug 11 los ntawm 4 thiab ntxiv peb. Yog li 11 3/4 yog 47/4. Tam sim no koj tuaj yeem faib qhov no los ntawm ob.
Hais txog qhov no, dab tsi yog ib nrab ntawm 3/4 ntawm daim kab xev ntsuas?
Ua piv txwv, cov duab hauv qab no qhia tau hais tias qhov ntev mus ntawm qhov cim ntiv tes mus rau qhov tsis muaj cim cim. Peb paub tias nws yog ntau tshaj 3/4 ntawm ib nti thiab tsawg tshaj li ib nti puv. Lub cim yog ib nrab txoj kev ntawm 3/4 (6/8) thiab 7/8. Yog li ntawd, lub cim yog ib nrab 1/8, los yog 1/16.
Tom qab, lo lus nug yog, dab tsi yog 5.625 raws li ib feem?
| Decimal | Ib feem | Feem pua |
|---|---|---|
| 5.625 | 45/8 | 562.5% |
| 5.5 | 44/8 | 550% |
| 9 | 45/5 | 900% |
| 7.5 | 45/6 | 750% |
Ib sab ntawm no, dab tsi yog ib nrab ntawm 3/4 nti?
Nws yog 3/8 los yog 0.375.
Dab tsi yog ib nrab ntawm 1/3 8 ntawm daim kab xev ntsuas?
Ib nrab ntawm tus lej tsis muaj dab tsi tab sis faib tus lej ntawd ua ob qhov sib npaug. Yog li xam ib nrab ntawm tus lej tsuas yog faib tus lej los ntawm 2 seb tus lej muab yog tag nrho lossis ib feem. Ib nrab ntawm 3/8 = (( 3/8 )/2)=> ( 3/8 )*( 1 /2)=3/16.
Pom zoo:
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