已知a,b满足根号a-2+（a+2b）-4的绝对值,求b2+4a的算术平方根
已知a,b满足根号a-2+（a+2b）-4的绝对值,求b2+4a的算术平方根
数学人气：502 ℃时间：2019-08-22 20:39:44
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你这问题好像没有写明白哦,格式不对吧,我看不懂
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