章鱼怎么做好吃 葱油:829*0.348-830*0.347的值是多少?
来源:百度文库 编辑:高考问答 时间:2024/05/31 15:48:35
原式=(830-1)*0.348-830*0.347
=830*0.348-0.348-830*0.347
=830*(0.348-0.347)-0.348
=830*0.001-0.348
=0.83-0.348
=0.482
0.06512691``````
0.06512691