7.8+4.56+2.2= 5.01-1.9+4.99= 12.7+12.5\5=

来源：学生作业学帮网 编辑：学帮网 时间：2024/05/24 11:54:52

7.8+4.56+2.2=                                             5.01-1.9+4.99=                                            12.7+12.5\5=

14.56,8.1