Re: [轉錄][新聞] 30÷2(2+3)÷5是多少? 計算機딠…
如果有說錯,請拿出證據,不然答案一定為15
有人拿代數運算來反證,請回答以下問題
xyz = x*y*z = y*x*z =....= z*x*y
以上是交換律,應該不會有太大誤解
題目一:
x/yz 以下何值等於此式
甲、z*(x/y)
乙、x/zy
題目二:x=30 y=2 z=2+3
是問x/yz/5,答案為何?
還有一個重點,題目無中括號時,你擅自更改題目那就無意義了。
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推 hirabbitt:蘿莉有三好 02/04 22:06
推 no1smkimo:身嬌腰柔易推倒 02/04 22:15
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