英语翻译Two competitors battle each other in each match of a tournament with nine participants.What is the minimum number of matches that must occur for every competitor to battle ever other competitor.A 110 B 36 C 45 D 55 E 72
问题描述：
英语翻译
Two competitors battle each other in each match of a tournament with nine participants.What is the minimum number of matches that must occur for every competitor to battle ever other competitor.
A 110 B 36 C 45 D 55 E 72
答
在举办的一场锦标赛*有9名选手参赛,比赛是两名选手之间两两进行的.试问,要确保每名选手都与其它选手至少比赛一场,那么总共最少要比赛多少场?
8×9÷2 = 36场,选B.