3.6*3.14+43.9*6.4 简便运算
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:2024/07/04 15:13:28
3.6*3.14+43.9*6.4 简便运算
![3.6*3.14+43.9*6.4 简便运算](/uploads/image/z/15373610-26-0.jpg?t=3.6%2A3.14%2B43.9%2A6.4+%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
3.6*3.14+43.9*6.4
=(10-6.4)*3.14+43.9*6.4
=31.4+(43.9-3.14)*6.4
=31.4+40.76*6.4
=31.4+260.846
=292.264
=(10-6.4)*3.14+43.9*6.4
=31.4+(43.9-3.14)*6.4
=31.4+40.76*6.4
=31.4+260.846
=292.264