﹝1+0.12+0.23﹞*﹝0.12+0.23+0.34﹞—﹝1+0.12+0.23+0.34﹞*﹝0.12+0.23﹞

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/01 17:21:21

﹝1+0.12+0.23﹞*﹝0.12+0.23+0.34﹞—﹝1+0.12+0.23+0.34﹞*﹝0.12+0.23﹞
﹝1+0.12+0.23﹞*﹝0.12+0.23+0.34﹞—﹝1+0.12+0.23+0.34﹞*﹝0.12+0.23﹞

﹝1+0.12+0.23﹞*﹝0.12+0.23+0.34﹞—﹝1+0.12+0.23+0.34﹞*﹝0.12+0.23﹞
﹝1+0.12+0.23﹞*﹝0.12+0.23+0.34﹞—﹝1+0.12+0.23+0.34﹞*﹝0.12+0.23﹞
=﹝1+0.12+0.23﹞*﹝0.12+0.23﹞+﹝1+0.12+0.23﹞*﹝0.34﹞—﹝1+0.12+0.23﹞*﹝0.12+0.23﹞-﹝0.34﹞*﹝0.12+0.23﹞
=﹝1+0.12+0.23﹞*﹝0.34﹞-﹝0.34﹞*﹝0.12+0.23﹞
=0.34*(1+0.12+0.23-0.12-0.23)
=0.34*1
=0.34

=(0.12+0.23﹞*﹝0.12+0.23+0.34﹞+﹝0.12+0.23+0.34﹞—﹝0.12+0.23+0.34﹞*﹝0.12+0.23﹞-﹝0.12+0.23﹞
=0.34