小红花了:23.75-11.28=12.47元小丽花了:23.75-13.15=10.6元小雨花了:23.75-12.47-10.6=0.72元
小红 23.75-11.28 = 12.47 元小丽 23.75-13.15 = 10.6元小雨 13.15-12.47 = 0.68元
