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#c5166724-c3de-4680-8480-adb755a97c1a简单填空题交集定义与运算集合与常用逻辑用语

9. (2022秋•武陵区)若关于/questionmedia/image177.png/question-media/image177.png"alt=alt=""style=style="maxwidth:100max-width:100%;max-height:2.5em;height:auto;display:inline-block;vertical-align:middle;margin:2px 4px;"loading=loading="lazy"onerror=onerror="this.style.display=this.style.display='none'"/>/>的方程/questionmedia/image178.png/question-media/image178.png"alt=alt=""style=style="maxwidth:100max-width:100%;max-height:2.5em;height:auto;display:inline-block;vertical-align:middle;margin:2px 4px;"loading=loading="lazy"onerror=onerror="this.style.display=this.style.display='none'"/>/>的解集中有且仅有一个元素,则实数/questionmedia/image179.png/question-media/image179.png"alt=alt=""style=style="maxwidth:100max-width:100%;max-height:2.5em;height:auto;display:inline-block;vertical-align:middle;margin:2px 4px;"loading=loading="lazy"onerror=onerror="this.style.display=this.style.display='none'"/>/>的值组成的集合中的元素个数为/questionmedia/image180.png/question-media/image180.png"alt=alt=""style=style="maxwidth:100max-width:100%;max-height:2.5em;height:auto;display:inline-block;vertical-align:middle;margin:2px 4px;"loading=loading="lazy"onerror=onerror="this.style.display=this.style.display='none'"/>/>  /questionmedia/image181.png/question-media/image181.png"alt=alt=""style=style="maxwidth:100max-width:100%;max-height:2.5em;height:auto;display:inline-block;vertical-align:middle;margin:2px 4px;"loading=loading="lazy"onerror=onerror="this.style.display=this.style.display='none'"/>/>

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