简便运算,13.9-3.87/5/0.387=好的话加100分,
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 22:55:03
![简便运算,13.9-3.87/5/0.387=好的话加100分,](/uploads/image/z/430680-48-0.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%2C13.9-3.87%2F5%2F0.387%3D%E5%A5%BD%E7%9A%84%E8%AF%9D%E5%8A%A0100%E5%88%86%EF%BC%8C)
简便运算,13.9-3.87/5/0.387=好的话加100分,
简便运算,13.9-3.87/5/0.387=
好的话加100分,
简便运算,13.9-3.87/5/0.387=好的话加100分,
13.9-3.87/0.387/5
=13.9-10/5
=13.9-2
=11.9
OK?
11.9
13.9-3.87/5/0.387
=13.9-(3.87/0.387)/5
=13.9-10/5
=13.9-2
=11.9