巧算:87.4-(43.27-22.6)-9.73

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/26 22:13:17
巧算:87.4-(43.27-22.6)-9.73巧算:87.4-(43.27-22.6)-9.73巧算:87.4-(43.27-22.6)-9.73去括号得87.4-43.27+22.6-9.73等

巧算:87.4-(43.27-22.6)-9.73
巧算:87.4-(43.27-22.6)-9.73

巧算:87.4-(43.27-22.6)-9.73
去括号得87.4-43.27+22.6-9.73
等于87.4+22.6-(43.27+9.73)
=110-53=57