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歡迎您訪問數學考題練習:給出四個數-2,,,0,其中為無理數的是!

數學考題練習:給出四個數-2,,,0,其中為無理數的是

更新時間:2024-01-12 16:26:33作者:貝語網校

給出四個數-2,,,0,其中為無理數的是

A.-2

B.

C.

D.0

試題答案

B

試題解析

根據無理數就是無限不循環小數解答即可.

解答:-2,,,0中,為無理數的是.

故選B.

點評:本題主要考查了無理數的定義,其中初中范圍內學習的無理數有:π,2π等;開方開不盡的數;以及像0.1010010001…,等有這樣規律的數.

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