把-[x-(y-z)]的括号去掉,应等于A.-x+y-zB.-x-y+zC.-x

发布时间:2020-07-10 17:11:22

把-[x-(y-z)]的括号去掉,应等于













A.-x+y-z












B.-x-y+z











C.-x-y-z











D.-x+y+z

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A
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