Calculator
Ndepụta ụzọ ịhọrọ r ihenhọrọ site na n mgbe usoroiheomume adịghị mkpa.
Nhọrọ ndị ahụ ga-akpụzi mgbe ị na-etipụta.
N'ihe banyere calculator 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 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?"Combinations answer "How many groups?" —The formula is nCr = n! / (r! × (n − r)!).The formula is nCr = n! / (r! × (n − r)!).Combinations answer "How many groups?" — the odds in a lottery, the number of possible ways to pick a committee, or the terms in a binomial expansion.Combinations answer "How many groups?" — the odds in a lottery, the number of possible ways to pick a committee, or the terms in a binomial expansion.Combinations answer "How many groups?" — the odds in a lottery, the odds in a lottery, the odds in a lottery, the odds in a binomial expansion, the odds in a binomial expansion.Combinations answer "How many groups?" — the odds in a lottery, the odds in a binomial expansion.Combinations answer "How many groups?" — the odds in a lottery, the odds in a binomial expansion.Combinations answer "How many groups?" — the odds in a lottery, the odds in a binomial expansion.Combinations answer "How many groups?" — the odds in a lottery, the odds in a binomial expansion.Combinations answer "How many groups?" — the odds in a lottery, the odds in a binomial expansion.Combinations answer "How many groups?"
Ajụjụ ndị a na-ajụkarị
Gịnị bụ n'ụdị n'ụdị?
nCr = n! / (r! × (n − r)!). Maka ihenhọrọ 10 ejiri 3 mee n'oge: 120 n'ime ndị ọzọ.
Gịnị mere nCr ji dị obere karịa nPr?
N'ihi ya, ọbụla n'ime ndị ahụ na-ezoro ezo na-ezoro ezo na r! permutations. Ya bụ n'ihi ya ka nCr = nPr ÷ r!.
Kedụ mgbe m ga-eji ntinye aka?
Mgbe usoroiheomume anaghị adị mkpa: lottery numbers, a hand of cards, ịhọrọ committee, ma ọ bụ ọbụla nhọrọ ebe otu bụ ihe na-ewere, ọ bụghị usoroiheomume ya.
Gịnị bụ binomial coefficient?
Ọ bụ aha ọzọ maka nCr, "n họrọ r" valiu nke na-egosi na binomial theorem na-eme ka nbanye nke Pascal's triangle.
Gịnị bụ nC0 mọọbụ nCn?
Ha abụọ dị otua 1 - e nwere ụzọ n'otu iji họrọ ọbụla, na ụzọ n'otu iji họrọ ha niile.
Ọ bụrụ na tulee a gosi permutations?
Ee. O gosiri nPr = nCr × r! n'akụkụ n'obere nke ahụ ka ị nwee ike ịtụle ọnụọgụgụ nke a haziri na nke a hazirighị.
API — jiri kaadị a site na kóòdù
Kpọọ kalkulata a dịka ebe ngwụcha JSON n'efu - enweghị kii achọrọ. Ziga valiu mpaghara ebe ahụ n'okpuru dịka paramita ajụjụ mọọbụ JSON. Gụọ ngwe ndị ahụ niile →
Ebemkpofuozi
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);Ihe a na-ahụta bụ n'ihi nlekọta n'ozuzu ya, ọ bụghị nlekọta ego, ọgwụ ma ọ bụ nlekọta ego.