1/a+1/b+1/c=24求a+b+c最大值

题目相当于A，B，C都是正数且A，B，c = 1的话，1/a 1/b 1/c的最小值是多少的倒数！！A c = 1，a > 0b > 0c > 01a 1 B1/c =(ABC)/a(ABC)/b(ABC)/c = 1b/a c/a1a/b c/b1a/c b/c = 3b/a a a/