解:6 (7-3) X 1.5 (8- 7) X 1.5 X (1 50%) = 14.25 (元) 解:6 (7-3) X 1.5 (8- 7) X 1.5 X (1 50%) = 14.25 (元) 发布时间:2025-05-31 07:15:09