根据题意得:13×x-32=1,
去分母得:x-3=6,
解得:x=9.
故答案为:9
28. He raised a suggestion at the meeting, ____ well worth considering.
A.which I think is
B.which I think it is
C.I think is which
D.I think it is
中国移动开发者社区为AP提供哪几个渠道的客户服务?