高中数学必修一，集合填空。
\u9ad8\u4e2d\u6570\u5b66\u5fc5\u4fee1\u96c6\u54081> \u9010\u6b21\u5e26\u51651+a/1-a\u5373\u53ef\u5f97\u30023=>-2=>-1/3=>1/2=>3\u3002\u3002\u3002\u5982\u6b64\u4e0b\u53bb\u6784\u6210\u5faa\u73af\uff0c\u6240\u4ee5\u524d4\u4e2a\u6570\u5373\u662f\u7b54\u6848\u3002
2> \u53ea\u6709\u4e00\u4e2a\u5143\u7d20\uff0c\u4e00\u79cd\u662f\u4e8c\u6b21\u9879\u7cfb\u6570\u4e3a0\uff08\u5373a=0\uff09\uff0c\u5219\u53ea\u67091\u89e3\u3002\u53e6\u4e00\u79cd\u662f\u6709\u4e24\u4e2a\u76f8\u540c\u7684\u6839\uff08\u5373\u5224\u522b\u5f0f\u4e3a0\uff09\uff0c\u89e3\u51faa=1.
\u81f3\u5c11\u67091\u4e2a\u5143\u7d20\u53ea\u8981\u5728\u524d\u9762\u7b54\u6848\u7684\u57fa\u7840\u4e0a\u52a0\u4e0a\u6709\u4e24\u89e3\u5f97\u60c5\u51b5\u5c31\u884c\u4e86\uff0c\u5373a<=0\u3002
3> \u8fd9\u9053\u9898\u4f60\u662f\u4e0d\u662f\u6284\u9519\u4e86\uff0c\u6211\u8ba4\u4e3a\u6761\u4ef6\u5e94\u8be5\u662f\u201c\u82e5x-1\u4e0d\u5c5e\u4e8eA\uff0cx+1\u4e0d\u5c5e\u4e8eA\uff0c\u5219\u79f0x\u4e3aA\u7684\u4e00\u4e2a\u5b64\u7acb\u5143\u7d20\u201d\uff0c\u8fd9\u6837\u7684\u8bdd5\u5c31\u662f\u5b64\u7acb\u5143\u7d20\u3002\u82e5\u6309\u7167\u4f60\u6284\u7684\u8fd9\u4e2a\u6761\u4ef6\uff0c\u90a3\u4e48\u7b54\u6848\u662f0\u548c5\u3002
\uff081\uff09x=16/x
x=\u00b14
\u5373S={4}\u6216S={-4]
\uff082\uff0916/x\u82e5\u662f\u6b63\u6574\u6570\uff0c\u5219x\uff1d1\u30012\u30014\u30018\u300116
\u6240\u4ee5\uff0c\u6ee1\u8db3\u201c\u82e5x\u2208S\uff0c\u90a3\u4e4816/x\u2208S\u201d\uff0c\u4e14\u771f\u5305\u542b\u4e8e\u6b63\u6574\u6570\u96c6\u7684\u96c6\u5408S\u4e00\u5b9a\u662f\u96c6\u5408{1,2,4,8,16}\u7684\u975e\u7a7a\u5b50\u96c6\uff0c\u4e00\u5171\u67092^5\uff0d1\uff1d31\u4e2a\uff08\u90a3\u4e2a-1\u4e2d\u76841\u662f\u6307\u7a7a\u96c6 \u56e0\u4e3aS\u662f\u975e\u7a7a\u96c6\u5408\uff09
画出数轴可知：k-1≤4，且2k-1≥5，
所以3≤k≤5.
∴A∩B≠A时，则实数k的取值范围为k>5或k<3.
k＜5且k大于等于6
你......你自己做吧
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