There are 5 ways to write 4 as a sum of positive numbers, namely 5, 4+1, 3+2, 2+1+1,1+1+1+1+N-58題庫

76. There are 5 ways to write 4 as a sum of positive numbers, namely 5, 4+1, 3+2, 2+1+1,1+1+1+1+1. Note that the order of the summands is irrelevant. How many ways arethere to write 8 into a sum of positive numbers, with order or the summands irrelevant?
(A) 20
(B) 21
(C) 22
(D) 23

參考答案

無參考答案

內容推薦

When brand loyalty has been established, _____________ will play less of a role as apurchase crit
下列何種生物技術需用到反轉錄酶(reverse transcriptase)？(A)PCR(B)DNA sequencing(定序)(C)DNA microarray(D)Southern blo
Word of mouth is an effective way of marketing. Marketers can make increase word ofmouth by:(A)M
Project technique is an unstructured, indirect form of questioning that encouragesrespondents to
Franchising is a source of intermediate entry mode. A business package will be given tothe host
Import tariffs and quotas, nontariff barriers, export subsidies, and local contentrequirements a
Which of the following is true about etic and emic approaches to country analysis?(A)The emic/et
In the international market place, _____ pricing adds internationalcosts and a mark-up to the do
Which of the following is an appropriate statement?(A)the more perishable the product, the longer
Because of its complexities, ______ development presents one of the stiffest challengesfor intern

問題詳情

參考答案

內容推薦

內容推薦