(-25.6)+[(-48.7+25.6+(-75.3)]

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/31 04:59:11

(-25.6)+[(-48.7+25.6+(-75.3)]

(-25.6)+[(-48.7+25.6+(-75.3)]
=-25.6+25.6-(48.7+75.3)
=-124

(-25.6)+[(-48.7+25.6+(-75.3)]
=-25.6+25.6-48.7-75.3
=0-(48.7+75.3)
=0-124
=-124

(-25.6)+[(-48.7+25.6+(-75.3)]
=(-25.6+25.6)+(-48.7+(-75.3))
=0+(-124)
=-124