这两道题怎么算?要简便计算
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:2024/07/11 07:19:47
这两道题怎么算?要简便计算
![](http://img.wesiedu.com/upload/9/19/919e3d97bf9acd94fb480da627c7ea92.jpg)
![](http://img.wesiedu.com/upload/9/19/919e3d97bf9acd94fb480da627c7ea92.jpg)
![这两道题怎么算?要简便计算](/uploads/image/z/984529-1-9.jpg?t=%E8%BF%99%E4%B8%A4%E9%81%93%E9%A2%98%E6%80%8E%E4%B9%88%E7%AE%97%3F%E8%A6%81%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
(1)原式
=50÷(50%÷50%)÷(0.18+0.82)
=50÷1÷1
=50
(2)原式
=8.1÷[(4.25-3.5)÷3/2]
=8.1÷(0.75x2/3)
=8.1÷0.5
=81/5 (5分之81)
=50÷(50%÷50%)÷(0.18+0.82)
=50÷1÷1
=50
(2)原式
=8.1÷[(4.25-3.5)÷3/2]
=8.1÷(0.75x2/3)
=8.1÷0.5
=81/5 (5分之81)