0
Apha, Yintoni u-negative 0.4 njengeqhezu? Idesimali 0.4 ilingana neqhezu 2/5.
Ubhala njani u-0.4545 njengeqhezu? Impendulo ye-1
- x=0.454545..
- phindaphinda nge100:
- 100x=45.454545...
- subtractx:
- 99x=45.4545.. −0.4545..
- = 45.
- yahlula ngo99:
- x=4599.
Ukongeza Ngaba .45 ukuphinda ingqiqo okanye akukho ngqiqweni? Ukuphinda idesimali kuyaqwalaselwa amanani aqiqayo kuba zinokumelwa njengomlinganiso weenombolo ezimbini ezipheleleyo.
Ngaba u-0.45 li-rational number? Ewe, ngenxa yokuba inkcazelo yenani eliqiqileyo yenye inokubonakaliswa ngeqhezu okanye idesimali elinganiselweyo.
Ukhangeleka njani u-0.4?
Uyijika njani i-.4 ibe yiqhezu? Ngoko ke ukuba ubufuna ukujika inani elipheleleyo lesine libe liqhezu, ubuya kuqala ngokulijika libe liqhezu 4/1.
Yintoni 0.4 Ukuphinda njengeqhezu? Impendulo: 0.4 uphinda-phinda njengeqhezu lingabhalwa ngolu hlobo 4/9 ngamaqhezu.
Ngubani u-83.33 njengeqhezu?
Ipesenti ukuya kwiTheyibhile yamaqhezu
percent | Umdibaniso |
---|---|
77.78% | 79 |
80% | 45 |
83.33% | 56 |
85.71% | 67 |
Kwakhona ulijika njani i-45.45 libe liqhezu? Amanyathelo okuguqula idesimali ibe yiqhezu
- Bhala i-45.45 njenge-45.451.
- 45.45 x 1001 x 100 = 4545100.
- 90920.
Lithini ixabiso leqhezu lama-42.85 ekhulwini?
Amaqhezu ukuya kwipesenti
1 | 3 | |
---|---|---|
6 | 16.66 | 50 |
7 | 14.28 | 42.85 |
8 | 12.5 | 37.5 |
9 | 11.11 | 33.33 |
Yintoni u-0.36 ophinda-phinda njengeqhezu? Idecimal ephindayo 0.36363636. . . ibhalwe njengeqhezu 411 .
Ubhala njani u-0.16 njengeqhezu?
Impendulo: 0.16 njengeqhezu kwindlela yalo elula 4/25.
Ngaba i-0.45 linani elipheleleyo?
0.45, 5/2, -0.726495…, 18, kunye -65 1/4 onke amanani okwenene. Umzekelo, -7 yinani elipheleleyo, ngoko ke ikwayi-rational kunye nenani lokwenyani. I-square root ka-2 linani eli-irrational, ngoko ikwalinani lokwenyani.
Ngaba linani elingenangqiqo? Xa inani eli-irrational landiswa ngokwedesimali, iba ngu-a Idesimali engapheliyo engaphindi . Qaphela ukuba idesimali engapheliyo ephindayo linani eli-rational, hayi inani eli-irrational.
...
Amanani angenangqiqo.
π | = | 3.14159 ... |
---|---|---|
e | = | 2.71828 ... |
= | 1.41421 ... |
Is
Umjika njani u-0.16 abe liqhezu?
Impendulo: 0.16 njengeqhezu kwindlela yalo elula 4/25.
Umbhala njani u-0.5 njengeqhezu? Impendulo: 0.5 njengeqhezu libhalwe njenge 1/2.
Umjika njani u-0.2 abe liqhezu?
Okokuqala, ukubhala u-0.2 njengeqhezu, siguqula idesimali ibe yiqhezu. Ngaloo nto, sahlula inani ngo-1 kwaye siphindaphinda phezulu nasezantsi ngo-10. Ngoko ke, 0.2/1 × 10/10 = 2/10, enokuncitshiswa ngakumbi 1/5. Oku kuthetha ukuba u-0.2 njengeqhezu lilingana no-1/5.
Ubhala njani u-3 njengeqhezu?
Uyenza njani i-1/3 kwinani elipheleleyo?
1/3 = 0.33333333 nge-3 qhubeka uphinda. Ukuba ufuna ukuyisondeza kwinani elikufutshane elipheleleyo, ngu 0.
Ujika njani ube liqhezu? Ukuguqula idesimali ibe liqhezu, wena beka amanani ngasekunene kwinqanaba lokugqibela kwinani eliphezulu (ngaphezulu komgca wamaqhezu). Okulandelayo, ubeka inani u-1 kwidinomineyitha, kwaye wongeze ooziro abaninzi njengoko inamadijithi enamanani. Nciphisa iqhezu ukuba kuyimfuneko.