0.79*0.46+7.9*0.053+0.0079用简算怎么算?
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/03 07:11:42
0.79*0.46+7.9*0.053+0.0079用简算怎么算?
![0.79*0.46+7.9*0.053+0.0079用简算怎么算?](/uploads/image/z/6094032-24-2.jpg?t=0.79%2A0.46%2B7.9%2A0.053%2B0.0079%E7%94%A8%E7%AE%80%E7%AE%97%E6%80%8E%E4%B9%88%E7%AE%97%3F)
0.79*0.46+7.9*0.053+0.0079
=0.79*0.46+0.79*0.53+0.79*0.01
=0.79*(0.46+0.53+0.01)
=0.79
=0.79*0.46+0.79*0.53+0.79*0.01
=0.79*(0.46+0.53+0.01)
=0.79