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歡迎您訪問數學考題練習:從2a+5b減去4a-4b的一半,應當得到!

數學考題練習:從2a+5b減去4a-4b的一半,應當得到

更新時間:2024-01-12 16:25:33作者:貝語網校

從2a+5b減去4a-4b的一半,應當得到

A.4a-b

B.b-a

C.a-9b

D.7b

試題答案

D

試題解析

由題意列出整式,然后合并同類項,作出正確選擇.

解答:由題意列出整式為2a+5b-(4a-4b)=7b,

故選D.

點評:本題主要考查整式的加減,比較簡單.

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