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歡迎您訪問數學考題練習:下列根式中,與的乘積是有理數的是!

數學考題練習:下列根式中,與的乘積是有理數的是

更新時間:2024-01-12 14:00:53作者:貝語網校

下列根式中,與的乘積是有理數的是

A.

B.

C.

D.

試題答案

C

試題解析

分別與相乘可得出答案.

解答:(1)×=3;

(2)×=2;

(3)×=6;

(4)×=3.

故選C.

點評:本題考查二次根式的運算,屬于基礎題,注意細心不要出錯.

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