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-[x-(2y-3z)]去括号应得()A.-x+2y-3zB.-x-2y+3zC.-x-2y-3zD.-x+2y+3z
题目详情
-[x-(2y-3z)]去括号应得( )
A.-x+2y-3z
B.-x-2y+3z
C.-x-2y-3z
D.-x+2y+3z
A.-x+2y-3z
B.-x-2y+3z
C.-x-2y-3z
D.-x+2y+3z
▼优质解答
答案和解析
根据去括号的方法可知:-[x-(2y-3z)]=-x+(2y-3z)=-x+2y-3z.
故选A.
故选A.
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