学帮网解方程81*17/82245548888888
来源：学生作业学帮网 编辑：学帮网 时间：2024/07/05 04:45:32
解方程81*17/82
245548888888
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