I want to ask :
負2的ニ次方(在括號內) (-2'')
負2的ニ次方(在括號外) (-2)''
有何分別?
例:
1) (-8)除(+1/4)除(-2'')
2) (-8)除(+1/4)除(-2)''
答案是否一樣?
PS. '' 是解2次方,because 打吾到
Plz use chinese