<p>已知空间向量<img src="https://learnfile.20230611.cn/learnAppQuestion/84/f8/84f8f1fb999d96189446fd7362f5203e.jpg" style="width: 100%;height: auto;">则<img src="https://learnfile.20230611.cn/learnAppQuestion/10/80/1080ab38e61a777f6dfb6bad1b63d5b6.jpg" styl