The sheet join method is simple and convenient, and calculating program is correct and reliable.

作业实践说明，该接边方法简便实用，计算程序正确可靠。

youdao

The sheet join method is simple and convenient, and calculating program is correct and reliable.

作业实践说明，该接边方法简便实用，计算程序正确可靠。

youdao