简便运算123123123...321321321...321123123123...123/321321321...321

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/10 04:05:49

简便运算123123123...321321321...321
123123123...123/321321321...321

=(123×1001001……001)÷(321×1001001……001)
=123÷321
=(3×41)÷(3×107)
=41/107