[問題] 成績單上的"學業平均成績"有問題
最近寄來了成績單，成績有十二個，但是我把12個加起來平均之後是
983/12=81.91 但是成績單上印"79.23"
快吐血了，怎麼會這樣? 這樣不就沒獎學金了T__T
重點是為啥兩個數字會不一樣呢?? 謝謝嘍
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