当B={2}时,1/(m"-" 1)=2,得m=3/2;
当B={3}时,1/(m"-" 1)=3,得m=4/3.
所以M={1"," 3/2 "," 4/3}.
答案{1"," 3/2 "," 4/3}
★11已知集合A={x|0 分析集合B是关于x的不等式m 解因为B⊆A,所以B=⌀或B≠⌀. 当B=⌀时,⌀⊆A,满足题意, 则有m≥4-m,此时m≥2; 当B≠⌀时,则有{■(m<4"-" m"," @m≥0"," @4"-" m≤3"," )┤解得1≤m<2. 综上可知,实数m满足的条件是1≤m<2或m≥2,即m≥1.