[問題]天山03-26

[feebs79]

In the decimal representation of x, where 0<x<1, is the tenths digit if x nonzero?
1) 16x is an integer
2) 8x is an integer

Answer: B

請問這問題是沒有完整嗎?
"is the tenths digit if x nonzero"...
這什麼東東阿!!還是是我自己看不懂題目?

Thanks!

[celivia]

In the decimal representation of x, where 0<x<1, is the tenths digit if x nonzero?
1) 16x is an integer
2) 8x is an integer

Answer: B

請問這問題是沒有完整嗎?
"is the tenths digit if x nonzero"...
這什麼東東阿!!還是是我自己看不懂題目?

Thanks!

if改成of可得B