题目内容

(本题满分15分)某医院有内科医生12名,外科医生8名,现要派5名医生参加赈灾医疗队。

(1)、某内科医生必须参加,某外科医生因故不能参加,有几种选法?

(2)、内科医生和外科医生中都要有人参加,有多少种选法?

(本题满分15分)某医院有内科医生12名,外科医生8名,现要派5名医生参加赈灾医疗队。

(1)、某内科医生必须参加,某外科医生因故不能参加,有几种选法?

(2)、内科医生和外科医生中都要有人参加,有多少种选法?

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