212212212212分之121121121121乘以212212212212分之121121121121

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/13 03:46:20

212212212212分之121121121121乘以212212212212分之121121121121

212212212212分之121121121121乘以212212212212分之121121121121
=(121x1001001001)/(212x1001001001)×(121x1001001001)/(212x1001001001)
=121/201x120/212
=14641/44944