下列运算中,正确x是()A.5a-(b+2c)=5a+b-2cB.5a-(b+2c)=5a-b+2cC.5a-(b+2c)=5a+b+2cD.5a-(b+2c)=5a-b-2c-数学

题目简介

下列运算中,正确x是()A.5a-(b+2c)=5a+b-2cB.5a-(b+2c)=5a-b+2cC.5a-(b+2c)=5a+b+2cD.5a-(b+2c)=5a-b-2c-数学

题目详情

下列运算中,正确x是(  )
A.5a-(b+2c)=5a+b-2cB.5a-(b+2c)=5a-b+2c
C.5a-(b+2c)=5a+b+2cD.5a-(b+2c)=5a-b-2c
题型:单选题难度:中档来源:不详

答案

A、5a-(b+2c)=5a-b-2c,故本选项错误;
B、5a-(b+2c)=5a-b-2c,故本选项错误;
C、5a-(b+2c)=5a-b-2c,故本选项错误;
D、5a-(b+2c)=5a-b-2c,故本选项正确.
故选D.

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