(It is recommended to study the basic chapters carefully, and you can skip the unnecessary ones; if you don’t understand, you can listen to it several times, practice it several times, or learn it after a period of time until you learn it. If your Excel version is too low, you may not be able to find some of the functions, functions, and charts involved in the course, because the low version does not have these functions. It is recommended to upgrade the software version as much as possible; after learning it, you can handle various table problems with ease. Just unexpected.)
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