የቀን መቁጠሪያ

ርዕስ

ተቀላቅሏል —
ፎርሙላ —
የቀረበው አቀማመጥ (nPr) —

ውጤቶች እንደተጻፉ ይቀየራሉ

ይህ መቁጠሪያ ትክክለኛ መልስ ሰጥቶሃል?

ስለዚህ መተግበሪያ

combination counts how many ways you can choose r items from a set of n when order does not matter — picking the same group in a different sequence counts once. This calculator returns the exact count, the formula, and the matching number of ordered arrangements (nPr) for comparison. Choosing none or all gives nC0 = nCn = 1, and as with permutations, r cannot exceed n. A combination counts how many ways you can choose r items from a set of n when order does not matter — picking the same group in a different sequence.Combinations answer "how many groups?" —The formula is nCr = n! / (r! × (n − r)!). For 10 items taken 3 at a time there are 120 distinct groups.Combinations answer "how many groups?" —The formula is nCr = n! / (r! × (n − r)!).The formula is nCr = n! / (r! × (n − r)!).The formula is nCr = nCr.CombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinations

የሚጠየቁ ጥያቄዎች

የቀረበው ፎርሙላ ምንድን ነው?

nCr = n! / (r! × (n − r)!). ለ 10 ንጥሎች 3 ጊዜ መውሰድ: 120 የተለያዩ ቡድኖች.

nCr ከ nPr ይልቅ ለምን ትንሽ ነው?

የቀረበው ፋይል "%s"ን በመክፈት ላይ...

የቅንጅት ፊደል መጠቀሜ ለምንድን ነው?

ሒደቱ ምንም ነገር የማይሆንበት ጊዜ: የሎተሪ ቁጥሮች፣ የካርድ እጅ፣ ኮሚቴን መምረጥ፣ ወይም ማንኛውም ምርጫ፣ በየትኛውም ቡድን ውስጥ የሚወሰነው ነገር ነው፣ ስብሰባው አይደለም።

የሁለት-አቅጣጫ ብዛት ምንድን ነው?

ይህ ለ nCr ሌላ ስም ነው, "n r" ዋጋውን ይምረጡ በሁለት-አቅጣጫዊ ቲኦሬም ውስጥ የሚታየው እና የፓስካል ሦስት-አቅጣጫዊ ቅርጽን መዝገቦችን የሚፈጥሩት.

nC0 ወይም nCn ምንድን ነው?

ሁለቱም እኩል 1 - አንድ መንገድ የለም አንድም ለመምረጥ, እና አንድ መንገድ ሁሉንም ለመምረጥ.

ይህ መሣሪያ የቀረበውን መተካት ያሳያል

አዎ. nPr = nCr × r! በአንድነት ዙሪያ ያሳያል ስለዚህ የተደራጁ እና ያልተደራጁ ቁጥሮችን ማወዳደር ይችላሉ።

የቁጥሮች ብዛት

የቀን መቁጠሪያ የፋክተር ግምገማ

❤️ ፍቅር Calculator.Free? ላክ

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API — ይህ መቁጠሪያን ከኮድ ይጠቀሙ

ይህ መቁጠሪያን እንደ ነጻ JSON መጨረሻ ነጥብ ጥሪ - ቁልፍ ያስፈልጋል. የሜዳውን ዋጋዎች በታች እንደ ጥያቄ პარაሜትር ወይም JSON ላኩ ማንኛውም ነገር ያላስቀመጥክበት ተመሳሳይ መነሻን ይጠቀማል ይህ ገጽ በመጀመሪያ የተሞላ ነው; ያልታወቀ ፓራሜትር 400 ነው, ሁልጊዜም የደበቅ ነጥብ አይደለም. የሙሉን የAPI ሰነዶች አንብብ →

መጨረሻ

GET https://calculator.free/api/v1/combination/

curl

curl "https://calculator.free/api/v1/combination/?n=10&r=3"

JavaScript fetch()

const r = await fetch(
  "https://calculator.free/api/v1/combination/?" + new URLSearchParams({
    "n": "10",
    "r": "3"
  }));
const data = await r.json();
console.log(data.results);

ውጤቶች ለታዳሚዎች ብቻ ናቸው፣ የገንዘብ፣ የሕክምና ወይም የክፍያ ምክር አይደሉም፡፡