解方程81*17/82245548888888
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/13 17:21:46
![解方程81*17/82245548888888](/uploads/image/z/6894249-33-9.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B81%2A17%2F82245548888888)
解方程81*17/82245548888888
解方程81*17/82
245548888888
解方程81*17/82245548888888
81*17/82
=(82-1)*17/82
=(82*17-17)/82
=82*17/82-17/82
=17+17/82
=17又17/82
81*17/82
=(82-1)*17/82
=82*17/82-17/82
=17-17/82
=16又65/82
81*(17/82)=82*(17/82)-1*(17/82)=17又17/82