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歡迎您訪問數(shù)學考題練習:“a的2倍與1的和”用代數(shù)式表示是______!

數(shù)學考題練習:“a的2倍與1的和”用代數(shù)式表示是______

更新時間:2024-01-12 14:02:25作者:貝語網(wǎng)校

“a的2倍與1的和”用代數(shù)式表示是________.

試題答案

2a+1

試題解析

根據(jù)題意可知a的2倍即為2a,2a與1的和,所以代數(shù)式為2a+1.

解答:2•a+1=2a+1.

點評:此類題要注意題中的關鍵詞帶給的重要信息,如“倍”,“和”等.

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